25972648 has 16 divisors (see below), whose sum is σ = 52444980. Its totient is φ = 11987328.

The previous prime is 25972633. The next prime is 25972657. The reversal of 25972648 is 84627952.

It can be written as a sum of positive squares in 2 ways, for example, as 25826724 + 145924 = 5082^2 + 382^2 .

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, 124765 + ... + 124972.

Almost surely, 2^25972648 is an apocalyptic number.

It is an amenable number.

25972648 is an abundant number, since it is smaller than the sum of its proper divisors (26472332).

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

25972648 is a wasteful number, since it uses less digits than its factorization.

25972648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249756 (or 249752 counting only the distinct ones).

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

The square root of 25972648 is about 5096.3367235692. The cubic root of 25972648 is about 296.1456855283.

The spelling of 25972648 in words is "twenty-five million, nine hundred seventy-two thousand, six hundred forty-eight".