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2528625 = 35311613
BaseRepresentation
bin1001101001010101110001
311202110121210
421221111301
51121404000
6130110333
730331041
oct11512561
94673553
102528625
111477880
12a1b3a9
136a6c38
1449b721
1534e350
hex269571

2528625 has 32 divisors (see below), whose sum is σ = 4597632. Its totient is φ = 1224000.

The previous prime is 2528621. The next prime is 2528627. The reversal of 2528625 is 5268252.

2528625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2528625 - 22 = 2528621 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2528592 and 2528601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3819 + ... + 4431.

It is an arithmetic number, because the mean of its divisors is an integer number (143676).

22528625 is an apocalyptic number.

2528625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2528625 is a deficient number, since it is larger than the sum of its proper divisors (2069007).

2528625 is a wasteful number, since it uses less digits than its factorization.

2528625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 632 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 2528625 is about 1590.1650857694. The cubic root of 2528625 is about 136.2369176340.

The spelling of 2528625 in words is "two million, five hundred twenty-eight thousand, six hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 125 165 275 375 613 825 1375 1839 3065 4125 6743 9195 15325 20229 33715 45975 76625 101145 168575 229875 505725 842875 2528625