315683 has 4 divisors (see below), whose sum is σ = 319320. Its totient is φ = 312048.

The previous prime is 315677. The next prime is 315691. The reversal of 315683 is 386513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386513 = 307 ⋅1259.

It is a cyclic number.

It is not a de Polignac number, because 315683 - 2¹⁶ = 250147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685 + ... + 1862.

It is an arithmetic number, because the mean of its divisors is an integer number (79830).

2³¹⁵⁶⁸³ is an apocalyptic number.

315683 is a deficient number, since it is larger than the sum of its proper divisors (3637).

315683 is an equidigital number, since it uses as much as digits as its factorization.

315683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636.

The product of its digits is 2160, while the sum is 26.

The square root of 315683 is about 561.8567433074. The cubic root of 315683 is about 68.0900623256.

The spelling of 315683 in words is "three hundred fifteen thousand, six hundred eighty-three".