315283 has 4 divisors (see below), whose sum is σ = 318448. Its totient is φ = 312120.

The previous prime is 315281. The next prime is 315313. The reversal of 315283 is 382513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382513 = 23 ⋅16631.

It is a cyclic number.

It is not a de Polignac number, because 315283 - 2¹ = 315281 is a prime.

It is the 562-nd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315281) by changing a digit.

It is a nontrivial repunit in base 561.

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 3 ways as a sum of consecutive naturals, for example, 1428 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (79612).

2³¹⁵²⁸³ is an apocalyptic number.

315283 is a deficient number, since it is larger than the sum of its proper divisors (3165).

315283 is a wasteful number, since it uses less digits than its factorization.

315283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164.

The product of its digits is 720, while the sum is 22.

The square root of 315283 is about 561.5006678536. The cubic root of 315283 is about 68.0612913363.

Adding to 315283 its reverse (382513), we get a palindrome (697796).

The spelling of 315283 in words is "three hundred fifteen thousand, two hundred eighty-three".