315582473 has 2 divisors, whose sum is σ = 315582474. Its totient is φ = 315582472.

The previous prime is 315582469. The next prime is 315582523. The reversal of 315582473 is 374285513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195636169 + 119946304 = 13987^2 + 10952^2 .

It is a cyclic number.

It is not a de Polignac number, because 315582473 - 2² = 315582469 is a prime.

It is not a weakly prime, because it can be changed into another prime (315582973) 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 as a sum of consecutive naturals, namely, 157791236 + 157791237.

It is an arithmetic number, because the mean of its divisors is an integer number (157791237).

Almost surely, 2^315582473 is an apocalyptic number.

It is an amenable number.

315582473 is a deficient number, since it is larger than the sum of its proper divisors (1).

315582473 is an equidigital number, since it uses as much as digits as its factorization.

315582473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 315582473 is about 17764.6410884093. The cubic root of 315582473 is about 680.8283395998.

The spelling of 315582473 in words is "three hundred fifteen million, five hundred eighty-two thousand, four hundred seventy-three".