25646952 has 32 divisors (see below), whose sum is σ = 64843200. Its totient is φ = 8452224.

The previous prime is 25646947. The next prime is 25646969. The reversal of 25646952 is 25964652.

It is a super-2 number, since 2×25646952² = 1315532293780608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25646952.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3868 + ... + 8139.

It is an arithmetic number, because the mean of its divisors is an integer number (2026350).

Almost surely, 2^25646952 is an apocalyptic number.

It is an amenable number.

25646952 is an abundant number, since it is smaller than the sum of its proper divisors (39196248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25646952 is a wasteful number, since it uses less digits than its factorization.

25646952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12105 (or 12101 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 25646952 is about 5064.2819826704. The cubic root of 25646952 is about 294.9025896902.

The spelling of 25646952 in words is "twenty-five million, six hundred forty-six thousand, nine hundred fifty-two".