315293 has 4 divisors (see below), whose sum is σ = 343968. Its totient is φ = 286620.

The previous prime is 315281. The next prime is 315313. The reversal of 315293 is 392513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315293 - 2⁸ = 315037 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 14321 + ... + 14342.

It is an arithmetic number, because the mean of its divisors is an integer number (85992).

2³¹⁵²⁹³ is an apocalyptic number.

It is an amenable number.

315293 is a deficient number, since it is larger than the sum of its proper divisors (28675).

315293 is a wasteful number, since it uses less digits than its factorization.

315293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28674.

The product of its digits is 810, while the sum is 23.

The square root of 315293 is about 561.5095724919. The cubic root of 315293 is about 68.0620109076.

The spelling of 315293 in words is "three hundred fifteen thousand, two hundred ninety-three".