57204025 has 6 divisors (see below), whose sum is σ = 70933022. Its totient is φ = 45763200.

The previous prime is 57204023. The next prime is 57204067. The reversal of 57204025 is 52040275.

It can be written as a sum of positive squares in 3 ways, for example, as 110889 + 57093136 = 333^2 + 7556^2 .

It is not a de Polignac number, because 57204025 - 2¹ = 57204023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2288161 = 57204025 / (5 + 7 + 2 + 0 + 4 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57204023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1144056 + ... + 1144105.

Almost surely, 2^57204025 is an apocalyptic number.

It is an amenable number.

57204025 is a deficient number, since it is larger than the sum of its proper divisors (13728997).

57204025 is a wasteful number, since it uses less digits than its factorization.

57204025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288171 (or 2288166 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 57204025 is about 7563.3342515057. The cubic root of 57204025 is about 385.3087420567.

The spelling of 57204025 in words is "fifty-seven million, two hundred four thousand, twenty-five".