315093 has 4 divisors (see below), whose sum is σ = 420128. Its totient is φ = 210060.

The previous prime is 315083. The next prime is 315097. The reversal of 315093 is 390513.

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: 390513 = 3 ⋅130171.

It is not a de Polignac number, because 315093 - 2⁹ = 314581 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315097) by changing a digit.

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, 52513 + ... + 52518.

It is an arithmetic number, because the mean of its divisors is an integer number (105032).

2³¹⁵⁰⁹³ is an apocalyptic number.

It is an amenable number.

315093 is a deficient number, since it is larger than the sum of its proper divisors (105035).

315093 is a wasteful number, since it uses less digits than its factorization.

315093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105034.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 315093 is about 561.3314528868. The cubic root of 315093 is about 68.0476165913.

The spelling of 315093 in words is "three hundred fifteen thousand, ninety-three".