25664412 has 24 divisors (see below), whose sum is σ = 62487936. Its totient is φ = 8182768.

The previous prime is 25664371. The next prime is 25664423. The reversal of 25664412 is 21446652.

It is a self number, because there is not a number n which added to its sum of digits gives 25664412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46218 + ... + 46769.

It is an arithmetic number, because the mean of its divisors is an integer number (2603664).

Almost surely, 2^25664412 is an apocalyptic number.

It is an amenable number.

25664412 is an abundant number, since it is smaller than the sum of its proper divisors (36823524).

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

25664412 is a wasteful number, since it uses less digits than its factorization.

25664412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93017 (or 93015 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 25664412 is about 5066.0055270400. The cubic root of 25664412 is about 294.9694960320.

The spelling of 25664412 in words is "twenty-five million, six hundred sixty-four thousand, four hundred twelve".