57270257 has 4 divisors (see below), whose sum is σ = 62476656. Its totient is φ = 52063860.

The previous prime is 57270251. The next prime is 57270287. The reversal of 57270257 is 75207275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57270257 - 2⁸ = 57270001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57270251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603183 + ... + 2603204.

It is an arithmetic number, because the mean of its divisors is an integer number (15619164).

Almost surely, 2^57270257 is an apocalyptic number.

It is an amenable number.

57270257 is a deficient number, since it is larger than the sum of its proper divisors (5206399).

57270257 is a wasteful number, since it uses less digits than its factorization.

57270257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206398.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 57270257 is about 7567.7114770583. The cubic root of 57270257 is about 385.4573908381.

The spelling of 57270257 in words is "fifty-seven million, two hundred seventy thousand, two hundred fifty-seven".