57251025 has 108 divisors (see below), whose sum is σ = 118560988. Its totient is φ = 26231040.

The previous prime is 57251021. The next prime is 57251027. The reversal of 57251025 is 52015275.

It is a happy number.

57251025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 685584 + 56565441 = 828^2 + 7521^2 .

It is not a de Polignac number, because 57251025 - 2² = 57251021 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 57251025.

It is not an unprimeable number, because it can be changed into a prime (57251021) 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 107 ways as a sum of consecutive naturals, for example, 1547307 + ... + 1547343.

Almost surely, 2^57251025 is an apocalyptic number.

It is an amenable number.

57251025 is an abundant number, since it is smaller than the sum of its proper divisors (61309963).

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

57251025 is a wasteful number, since it uses less digits than its factorization.

57251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 57251025 is about 7566.4407088142. The cubic root of 57251025 is about 385.4142390237.

The spelling of 57251025 in words is "fifty-seven million, two hundred fifty-one thousand, twenty-five".