315693 has 12 divisors (see below), whose sum is σ = 521248. Its totient is φ = 180360.

The previous prime is 315691. The next prime is 315697. The reversal of 315693 is 396513.

It is not a de Polignac number, because 315693 - 2¹ = 315691 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2443 + ... + 2568.

2³¹⁵⁶⁹³ is an apocalyptic number.

It is an amenable number.

315693 is a deficient number, since it is larger than the sum of its proper divisors (205555).

315693 is a wasteful number, since it uses less digits than its factorization.

315693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024 (or 5021 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 315693 is about 561.8656423025. The cubic root of 315693 is about 68.0907812888.

It can be divided in two parts, 3156 and 93, that added together give a square (3249 = 57²).

The spelling of 315693 in words is "three hundred fifteen thousand, six hundred ninety-three".