315207 has 6 divisors (see below), whose sum is σ = 455312. Its totient is φ = 210132.

The previous prime is 315199. The next prime is 315223. The reversal of 315207 is 702513.

It is not a de Polignac number, because 315207 - 2³ = 315199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315207.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315207.

It is not an unprimeable number, because it can be changed into a prime (315247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17503 + ... + 17520.

2³¹⁵²⁰⁷ is an apocalyptic number.

315207 is a deficient number, since it is larger than the sum of its proper divisors (140105).

315207 is a wasteful number, since it uses less digits than its factorization.

315207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35029 (or 35026 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 315207 is about 561.4329879870. The cubic root of 315207 is about 68.0558220978.

The spelling of 315207 in words is "three hundred fifteen thousand, two hundred seven".