315290 has 16 divisors (see below), whose sum is σ = 582120. Its totient is φ = 122880.

The previous prime is 315281. The next prime is 315313. The reversal of 315290 is 92513.

It can be written as a sum of positive squares in 4 ways, for example, as 152881 + 162409 = 391^2 + 403^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26 + ... + 794.

2³¹⁵²⁹⁰ is an apocalyptic number.

315290 is a deficient number, since it is larger than the sum of its proper divisors (266830).

315290 is a wasteful number, since it uses less digits than its factorization.

315290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 315290 is about 561.5069011152. The cubic root of 315290 is about 68.0617950378.

The spelling of 315290 in words is "three hundred fifteen thousand, two hundred ninety".