25564748 has 24 divisors (see below), whose sum is σ = 49173264. Its totient is φ = 11532800.

The previous prime is 25564733. The next prime is 25564793. The reversal of 25564748 is 84746552.

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, 3908 + ... + 8148.

It is an arithmetic number, because the mean of its divisors is an integer number (2048886).

Almost surely, 2^25564748 is an apocalyptic number.

It is an amenable number.

25564748 is a deficient number, since it is larger than the sum of its proper divisors (23608516).

25564748 is a wasteful number, since it uses less digits than its factorization.

25564748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393 (or 4391 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 25564748 is about 5056.1594120439. The cubic root of 25564748 is about 294.5871770418.

The spelling of 25564748 in words is "twenty-five million, five hundred sixty-four thousand, seven hundred forty-eight".