25858872 has 64 divisors (see below), whose sum is σ = 77364000. Its totient is φ = 7955712.

The previous prime is 25858843. The next prime is 25858891. The reversal of 25858872 is 27885852.

It is a super-2 number, since 2×25858872² = 1337362522224768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1797 + ... + 7412.

Almost surely, 2^25858872 is an apocalyptic number.

It is an amenable number.

25858872 is an abundant number, since it is smaller than the sum of its proper divisors (51505128).

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

25858872 is a wasteful number, since it uses less digits than its factorization.

25858872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9237 (or 9227 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The square root of 25858872 is about 5085.1619443239. The cubic root of 25858872 is about 295.7126197884.

The spelling of 25858872 in words is "twenty-five million, eight hundred fifty-eight thousand, eight hundred seventy-two".