315379 has 4 divisors (see below), whose sum is σ = 317376. Its totient is φ = 313384.

The previous prime is 315377. The next prime is 315389. The reversal of 315379 is 973513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973513 = 487 ⋅1999.

It is a cyclic number.

It is not a de Polignac number, because 315379 - 2¹ = 315377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739 + ... + 1084.

It is an arithmetic number, because the mean of its divisors is an integer number (79344).

2³¹⁵³⁷⁹ is an apocalyptic number.

315379 is a deficient number, since it is larger than the sum of its proper divisors (1997).

315379 is a wasteful number, since it uses less digits than its factorization.

315379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996.

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

The square root of 315379 is about 561.5861465528. The cubic root of 315379 is about 68.0681985921.

The spelling of 315379 in words is "three hundred fifteen thousand, three hundred seventy-nine".