25672512 has 28 divisors (see below), whose sum is σ = 67925696. Its totient is φ = 8557440.

The previous prime is 25672469. The next prime is 25672523. The reversal of 25672512 is 21527652.

It is a self number, because there is not a number n which added to its sum of digits gives 25672512.

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, 66664 + ... + 67047.

Almost surely, 2^25672512 is an apocalyptic number.

It is an amenable number.

25672512 is an abundant number, since it is smaller than the sum of its proper divisors (42253184).

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

25672512 is a wasteful number, since it uses less digits than its factorization.

25672512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133726 (or 133716 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 25672512 is about 5066.8049103947. The cubic root of 25672512 is about 295.0005247525. Note that the first 3 decimals are identical.

The spelling of 25672512 in words is "twenty-five million, six hundred seventy-two thousand, five hundred twelve".