316257 has 8 divisors (see below), whose sum is σ = 424320. Its totient is φ = 209520.

The previous prime is 316243. The next prime is 316259. The reversal of 316257 is 752613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 316257 - 2⁴ = 316241 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316257.

It is not an unprimeable number, because it can be changed into a prime (316259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619 + ... + 1007.

It is an arithmetic number, because the mean of its divisors is an integer number (53040).

2³¹⁶²⁵⁷ is an apocalyptic number.

It is an amenable number.

316257 is a deficient number, since it is larger than the sum of its proper divisors (108063).

316257 is a wasteful number, since it uses less digits than its factorization.

316257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its digits is 1260, while the sum is 24.

The square root of 316257 is about 562.3673176848. The cubic root of 316257 is about 68.1313062647.

The spelling of 316257 in words is "three hundred sixteen thousand, two hundred fifty-seven".