25057056 has 24 divisors (see below), whose sum is σ = 65775024. Its totient is φ = 8352320.

The previous prime is 25057037. The next prime is 25057057. The reversal of 25057056 is 65075052.

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

It is not an unprimeable number, because it can be changed into a prime (25057057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130410 + ... + 130601.

It is an arithmetic number, because the mean of its divisors is an integer number (2740626).

Almost surely, 2^25057056 is an apocalyptic number.

It is an amenable number.

25057056 is an abundant number, since it is smaller than the sum of its proper divisors (40717968).

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

25057056 is a wasteful number, since it uses less digits than its factorization.

25057056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261024 (or 261016 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 25057056 is about 5005.7023483224. The cubic root of 25057056 is about 292.6240484870.

The spelling of 25057056 in words is "twenty-five million, fifty-seven thousand, fifty-six".