315712 has 14 divisors (see below), whose sum is σ = 626618. Its totient is φ = 157824.

The previous prime is 315703. The next prime is 315739. The reversal of 315712 is 217513.

It can be written as a sum of positive squares in only one way, i.e., 246016 + 69696 = 496^2 + 264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 315712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2403 + ... + 2530.

2³¹⁵⁷¹² is an apocalyptic number.

315712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315712 is a deficient number, since it is larger than the sum of its proper divisors (310906).

315712 is an equidigital number, since it uses as much as digits as its factorization.

315712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945 (or 4935 counting only the distinct ones).

The product of its digits is 210, while the sum is 19.

The square root of 315712 is about 561.8825500049. The cubic root of 315712 is about 68.0921472772.

The spelling of 315712 in words is "three hundred fifteen thousand, seven hundred twelve".