315683465 has 4 divisors (see below), whose sum is σ = 378820164. Its totient is φ = 252546768.

The previous prime is 315683449. The next prime is 315683471. The reversal of 315683465 is 564386513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169104016 + 146579449 = 13004^2 + 12107^2 .

It is a cyclic number.

It is not a de Polignac number, because 315683465 - 2⁴ = 315683449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 31568342 + ... + 31568351.

It is an arithmetic number, because the mean of its divisors is an integer number (94705041).

Almost surely, 2^315683465 is an apocalyptic number.

It is an amenable number.

315683465 is a deficient number, since it is larger than the sum of its proper divisors (63136699).

315683465 is an equidigital number, since it uses as much as digits as its factorization.

315683465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63136698.

The product of its digits is 259200, while the sum is 41.

The square root of 315683465 is about 17767.4833614668. The cubic root of 315683465 is about 680.9009575768.

The spelling of 315683465 in words is "three hundred fifteen million, six hundred eighty-three thousand, four hundred sixty-five".