2551025 has 12 divisors (see below), whose sum is σ = 3212592. Its totient is φ = 2009040.

The previous prime is 2551013. The next prime is 2551027. The reversal of 2551025 is 5201552.

It is not a de Polignac number, because 2551025 - 2⁴ = 2551009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2550988 and 2551006.

It is not an unprimeable number, because it can be changed into a prime (2551027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (267716).

2^2551025 is an apocalyptic number.

2551025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2551025 is a deficient number, since it is larger than the sum of its proper divisors (661567).

2551025 is a wasteful number, since it uses less digits than its factorization.

2551025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 2551025 is about 1597.1928499715. The cubic root of 2551025 is about 136.6380236093.

Adding to 2551025 its reverse (5201552), we get a palindrome (7752577).

The spelling of 2551025 in words is "two million, five hundred fifty-one thousand, twenty-five".