257150 has 24 divisors (see below), whose sum is σ = 494760. Its totient is φ = 99360.

The previous prime is 257141. The next prime is 257161. The reversal of 257150 is 51752.

It is a super-2 number, since 2×257150² = 132252245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1781 + ... + 1919.

It is an arithmetic number, because the mean of its divisors is an integer number (20615).

2²⁵⁷¹⁵⁰ is an apocalyptic number.

257150 is a deficient number, since it is larger than the sum of its proper divisors (237610).

257150 is a wasteful number, since it uses less digits than its factorization.

257150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 257150 is about 507.0995957403. The cubic root of 257150 is about 63.5909787714.

The spelling of 257150 in words is "two hundred fifty-seven thousand, one hundred fifty".