2152625 has 16 divisors (see below), whose sum is σ = 2847312. Its totient is φ = 1619200.

The previous prime is 2152621. The next prime is 2152637. The reversal of 2152625 is 5262512.

It can be written as a sum of positive squares in 8 ways, for example, as 1168561 + 984064 = 1081^2 + 992^2 .

It is not a de Polignac number, because 2152625 - 2² = 2152621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2152625.

It is not an unprimeable number, because it can be changed into a prime (2152621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1619 + ... + 2631.

It is an arithmetic number, because the mean of its divisors is an integer number (177957).

2^2152625 is an apocalyptic number.

2152625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2152625 is a deficient number, since it is larger than the sum of its proper divisors (694687).

2152625 is a wasteful number, since it uses less digits than its factorization.

2152625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1035 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 2152625 is about 1467.1826743797. The cubic root of 2152625 is about 129.1187936823.

The spelling of 2152625 in words is "two million, one hundred fifty-two thousand, six hundred twenty-five".