257332 has 6 divisors (see below), whose sum is σ = 450338. Its totient is φ = 128664.

The previous prime is 257321. The next prime is 257339. The reversal of 257332 is 233752.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 256036 + 1296 = 506^2 + 36^2 .

It is a d-powerful number, because it can be written as 2 + 5⁷ + 3 + 7 + 3¹¹ + 2¹¹ .

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257339) by changing a digit.

257332 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 32163 + ... + 32170.

2²⁵⁷³³² is an apocalyptic number.

It is an amenable number.

257332 is a deficient number, since it is larger than the sum of its proper divisors (193006).

257332 is a wasteful number, since it uses less digits than its factorization.

257332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64337 (or 64335 counting only the distinct ones).

The product of its digits is 1260, while the sum is 22.

The square root of 257332 is about 507.2790159271. The cubic root of 257332 is about 63.6059775772.

The spelling of 257332 in words is "two hundred fifty-seven thousand, three hundred thirty-two".