315365613 has 4 divisors (see below), whose sum is σ = 420487488. Its totient is φ = 210243740.

The previous prime is 315365593. The next prime is 315365641. The reversal of 315365613 is 316563513.

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.

It is a cyclic number.

It is not a de Polignac number, because 315365613 - 2¹⁷ = 315234541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315365513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52560933 + ... + 52560938.

It is an arithmetic number, because the mean of its divisors is an integer number (105121872).

Almost surely, 2^315365613 is an apocalyptic number.

It is an amenable number.

315365613 is a deficient number, since it is larger than the sum of its proper divisors (105121875).

315365613 is a wasteful number, since it uses less digits than its factorization.

315365613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105121874.

The product of its digits is 24300, while the sum is 33.

The square root of 315365613 is about 17758.5363417147. The cubic root of 315365613 is about 680.6723547375.

The spelling of 315365613 in words is "three hundred fifteen million, three hundred sixty-five thousand, six hundred thirteen".