257325061 has 16 divisors (see below), whose sum is σ = 302174208. Its totient is φ = 214531200.

The previous prime is 257325053. The next prime is 257325071. The reversal of 257325061 is 160523752.

257325061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 257325061 - 2³ = 257325053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257325071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108751 + ... + 111091.

It is an arithmetic number, because the mean of its divisors is an integer number (18885888).

Almost surely, 2^257325061 is an apocalyptic number.

It is an amenable number.

257325061 is a deficient number, since it is larger than the sum of its proper divisors (44849147).

257325061 is a wasteful number, since it uses less digits than its factorization.

257325061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 257325061 is about 16041.3547121183. The cubic root of 257325061 is about 636.0540585684.

The spelling of 257325061 in words is "two hundred fifty-seven million, three hundred twenty-five thousand, sixty-one".