25956648 has 24 divisors (see below), whose sum is σ = 70299450. Its totient is φ = 8652192.

The previous prime is 25956629. The next prime is 25956661. The reversal of 25956648 is 84665952.

It can be written as a sum of positive squares in only one way, i.e., 25220484 + 736164 = 5022^2 + 858^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180183 + ... + 180326.

Almost surely, 2^25956648 is an apocalyptic number.

It is an amenable number.

25956648 is an abundant number, since it is smaller than the sum of its proper divisors (44342802).

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

25956648 is a wasteful number, since it uses less digits than its factorization.

25956648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360521 (or 360514 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 25956648 is about 5094.7667267501. The cubic root of 25956648 is about 296.0848612298.

The spelling of 25956648 in words is "twenty-five million, nine hundred fifty-six thousand, six hundred forty-eight".