257132 has 6 divisors (see below), whose sum is σ = 449988. Its totient is φ = 128564.

The previous prime is 257123. The next prime is 257141. The reversal of 257132 is 231752.

It is an interprime number because it is at equal distance from previous prime (257123) and next prime (257141).

It is a super-2 number, since 2×257132² = 132233730848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32138 + ... + 32145.

It is an arithmetic number, because the mean of its divisors is an integer number (74998).

2²⁵⁷¹³² is an apocalyptic number.

It is an amenable number.

257132 is a deficient number, since it is larger than the sum of its proper divisors (192856).

257132 is a wasteful number, since it uses less digits than its factorization.

257132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64287 (or 64285 counting only the distinct ones).

The product of its digits is 420, while the sum is 20.

The square root of 257132 is about 507.0818474369. The cubic root of 257132 is about 63.5894949884.

Adding to 257132 its reverse (231752), we get a palindrome (488884).

The spelling of 257132 in words is "two hundred fifty-seven thousand, one hundred thirty-two".