315793 has 4 divisors (see below), whose sum is σ = 322560. Its totient is φ = 309028.

The previous prime is 315779. The next prime is 315803. The reversal of 315793 is 397513.

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, and also an emirpimes, since its reverse is a distinct semiprime: 397513 = 31 ⋅12823.

It is a cyclic number.

It is not a de Polignac number, because 315793 - 2⁹ = 315281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315703) 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, 3313 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2³¹⁵⁷⁹³ is an apocalyptic number.

It is an amenable number.

315793 is a deficient number, since it is larger than the sum of its proper divisors (6767).

315793 is an equidigital number, since it uses as much as digits as its factorization.

315793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766.

The product of its digits is 2835, while the sum is 28.

The square root of 315793 is about 561.9546245027. The cubic root of 315793 is about 68.0979700865.

The spelling of 315793 in words is "three hundred fifteen thousand, seven hundred ninety-three".