57205725 has 12 divisors (see below), whose sum is σ = 94580256. Its totient is φ = 30509680.

The previous prime is 57205703. The next prime is 57205727. The reversal of 57205725 is 52750275.

It is not a de Polignac number, because 57205725 - 2⁷ = 57205597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57205727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381297 + ... + 381446.

It is an arithmetic number, because the mean of its divisors is an integer number (7881688).

Almost surely, 2^57205725 is an apocalyptic number.

It is an amenable number.

57205725 is a deficient number, since it is larger than the sum of its proper divisors (37374531).

57205725 is a wasteful number, since it uses less digits than its factorization.

57205725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762756 (or 762751 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 57205725 is about 7563.4466349674. The cubic root of 57205725 is about 385.3125589115.

The spelling of 57205725 in words is "fifty-seven million, two hundred five thousand, seven hundred twenty-five".