257331053 has 16 divisors (see below), whose sum is σ = 297437184. Its totient is φ = 218077440.

The previous prime is 257331013. The next prime is 257331071. The reversal of 257331053 is 350133752.

It is not a de Polignac number, because 257331053 - 2¹⁸ = 257068909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257331013) 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, 262901 + ... + 263877.

It is an arithmetic number, because the mean of its divisors is an integer number (18589824).

Almost surely, 2^257331053 is an apocalyptic number.

It is an amenable number.

257331053 is a deficient number, since it is larger than the sum of its proper divisors (40106131).

257331053 is a wasteful number, since it uses less digits than its factorization.

257331053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 257331053 is about 16041.5414782994. The cubic root of 257331053 is about 636.0589955229.

The spelling of 257331053 in words is "two hundred fifty-seven million, three hundred thirty-one thousand, fifty-three".