25642512 has 60 divisors (see below), whose sum is σ = 82018560. Its totient is φ = 7326144.

The previous prime is 25642501. The next prime is 25642523. The reversal of 25642512 is 21524652.

25642512 is a `hidden beast` number, since 2 + 5 + 642 + 5 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (25642501) and next prime (25642523).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11712 + ... + 13727.

It is an arithmetic number, because the mean of its divisors is an integer number (1366976).

Almost surely, 2^25642512 is an apocalyptic number.

It is an amenable number.

25642512 is an abundant number, since it is smaller than the sum of its proper divisors (56376048).

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

25642512 is a wasteful number, since it uses less digits than its factorization.

25642512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25460 (or 25451 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 25642512 is about 5063.8435994805. The cubic root of 25642512 is about 294.8855708639.

The spelling of 25642512 in words is "twenty-five million, six hundred forty-two thousand, five hundred twelve".