57217525 has 12 divisors (see below), whose sum is σ = 71495424. Its totient is φ = 45422000.

The previous prime is 57217507. The next prime is 57217541. The reversal of 57217525 is 52571275.

It is not a de Polignac number, because 57217525 - 2¹³ = 57209333 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, 5461 + ... + 12010.

It is an arithmetic number, because the mean of its divisors is an integer number (5957952).

Almost surely, 2^57217525 is an apocalyptic number.

It is an amenable number.

57217525 is a deficient number, since it is larger than the sum of its proper divisors (14277899).

57217525 is a wasteful number, since it uses less digits than its factorization.

57217525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17612 (or 17607 counting only the distinct ones).

The product of its digits is 24500, while the sum is 34.

The square root of 57217525 is about 7564.2266623892. The cubic root of 57217525 is about 385.3390502904.

The spelling of 57217525 in words is "fifty-seven million, two hundred seventeen thousand, five hundred twenty-five".