25696536 has 16 divisors (see below), whose sum is σ = 64241400. Its totient is φ = 8565504.

The previous prime is 25696519. The next prime is 25696549. The reversal of 25696536 is 63569652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535321 + ... + 535368.

Almost surely, 2^25696536 is an apocalyptic number.

It is an amenable number.

25696536 is an abundant number, since it is smaller than the sum of its proper divisors (38544864).

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

25696536 is a wasteful number, since it uses less digits than its factorization.

25696536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070698 (or 1070694 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 25696536 is about 5069.1750808194. The cubic root of 25696536 is about 295.0925152712.

The spelling of 25696536 in words is "twenty-five million, six hundred ninety-six thousand, five hundred thirty-six".