315365473 has 2 divisors, whose sum is σ = 315365474. Its totient is φ = 315365472.

The previous prime is 315365447. The next prime is 315365497. The reversal of 315365473 is 374563513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228372544 + 86992929 = 15112^2 + 9327^2 .

It is a cyclic number.

It is not a de Polignac number, because 315365473 - 2⁹ = 315364961 is a prime.

It is not a weakly prime, because it can be changed into another prime (315365773) 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 as a sum of consecutive naturals, namely, 157682736 + 157682737.

It is an arithmetic number, because the mean of its divisors is an integer number (157682737).

Almost surely, 2^315365473 is an apocalyptic number.

It is an amenable number.

315365473 is a deficient number, since it is larger than the sum of its proper divisors (1).

315365473 is an equidigital number, since it uses as much as digits as its factorization.

315365473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 37.

The square root of 315365473 is about 17758.5323999479. The cubic root of 315365473 is about 680.6722540140.

The spelling of 315365473 in words is "three hundred fifteen million, three hundred sixty-five thousand, four hundred seventy-three".