315801 has 6 divisors (see below), whose sum is σ = 456170. Its totient is φ = 210528.

The previous prime is 315779. The next prime is 315803. The reversal of 315801 is 108513.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 301401 + 14400 = 549^2 + 120^2 .

It is not a de Polignac number, because 315801 - 2¹⁰ = 314777 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17536 + ... + 17553.

2³¹⁵⁸⁰¹ is an apocalyptic number.

It is an amenable number.

315801 is a deficient number, since it is larger than the sum of its proper divisors (140369).

315801 is a wasteful number, since it uses less digits than its factorization.

315801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35095 (or 35092 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 315801 is about 561.9617424701. The cubic root of 315801 is about 68.0985451247.

It can be divided in two parts, 31 and 5801, that added together give a cube (5832 = 18³).

The spelling of 315801 in words is "three hundred fifteen thousand, eight hundred one".