25523072 has 16 divisors (see below), whose sum is σ = 50847000. Its totient is φ = 12761472.

The previous prime is 25523011. The next prime is 25523087. The reversal of 25523072 is 27032552.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99572 + ... + 99827.

Almost surely, 2^25523072 is an apocalyptic number.

It is an amenable number.

25523072 is a deficient number, since it is larger than the sum of its proper divisors (25323928).

25523072 is an equidigital number, since it uses as much as digits as its factorization.

25523072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199413 (or 199401 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 25523072 is about 5052.0364210880. The cubic root of 25523072 is about 294.4270099667.

The spelling of 25523072 in words is "twenty-five million, five hundred twenty-three thousand, seventy-two".