25648972 has 12 divisors (see below), whose sum is σ = 45008656. Its totient is φ = 12789360.

The previous prime is 25648969. The next prime is 25648991. The reversal of 25648972 is 27984652.

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, 7104 + ... + 10087.

Almost surely, 2^25648972 is an apocalyptic number.

It is an amenable number.

25648972 is a deficient number, since it is larger than the sum of its proper divisors (19359684).

25648972 is a wasteful number, since it uses less digits than its factorization.

25648972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17568 (or 17566 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 25648972 is about 5064.4814147156. The cubic root of 25648972 is about 294.9103318395.

The spelling of 25648972 in words is "twenty-five million, six hundred forty-eight thousand, nine hundred seventy-two".