25552864 has 12 divisors (see below), whose sum is σ = 50307264. Its totient is φ = 12776416.

The previous prime is 25552843. The next prime is 25552883. The reversal of 25552864 is 46825552.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 399232 + ... + 399295.

It is an arithmetic number, because the mean of its divisors is an integer number (4192272).

Almost surely, 2^25552864 is an apocalyptic number.

It is an amenable number.

25552864 is a deficient number, since it is larger than the sum of its proper divisors (24754400).

25552864 is an equidigital number, since it uses as much as digits as its factorization.

25552864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798537 (or 798529 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The square root of 25552864 is about 5054.9840751480. The cubic root of 25552864 is about 294.5415228122.

The spelling of 25552864 in words is "twenty-five million, five hundred fifty-two thousand, eight hundred sixty-four".