315273 has 8 divisors (see below), whose sum is σ = 480448. Its totient is φ = 180144.

The previous prime is 315269. The next prime is 315281. The reversal of 315273 is 372513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315273 - 2² = 315269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 15013 = 315273 / (3 + 1 + 5 + 2 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7486 + ... + 7527.

It is an arithmetic number, because the mean of its divisors is an integer number (60056).

2³¹⁵²⁷³ is an apocalyptic number.

It is an amenable number.

315273 is a deficient number, since it is larger than the sum of its proper divisors (165175).

315273 is a wasteful number, since it uses less digits than its factorization.

315273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15023.

The product of its digits is 630, while the sum is 21.

The square root of 315273 is about 561.4917630740. The cubic root of 315273 is about 68.0605717499.

Adding to 315273 its reverse (372513), we get a palindrome (687786).

The spelling of 315273 in words is "three hundred fifteen thousand, two hundred seventy-three".