57315625 has 12 divisors (see below), whose sum is σ = 71643852. Its totient is φ = 45850000.

The previous prime is 57315617. The next prime is 57315659. The reversal of 57315625 is 52651375.

It can be written as a sum of positive squares in 6 ways, for example, as 55041561 + 2274064 = 7419^2 + 1508^2 .

It is not a de Polignac number, because 57315625 - 2³ = 57315617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6046 + ... + 12295.

It is an arithmetic number, because the mean of its divisors is an integer number (5970321).

Almost surely, 2^57315625 is an apocalyptic number.

It is an amenable number.

57315625 is a deficient number, since it is larger than the sum of its proper divisors (14328227).

57315625 is an frugal number, since it uses more digits than its factorization.

57315625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18366 (or 18346 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 57315625 is about 7570.7083552333. The cubic root of 57315625 is about 385.5591470618.

The spelling of 57315625 in words is "fifty-seven million, three hundred fifteen thousand, six hundred twenty-five".