316341521 has 4 divisors (see below), whose sum is σ = 316385844. Its totient is φ = 316297200.

The previous prime is 316341499. The next prime is 316341523. The reversal of 316341521 is 125143613.

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 245360896 + 70980625 = 15664^2 + 8425^2 .

It is a cyclic number.

It is not a de Polignac number, because 316341521 - 2²⁶ = 249232657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316341523) 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, 8750 + ... + 26631.

It is an arithmetic number, because the mean of its divisors is an integer number (79096461).

Almost surely, 2^316341521 is an apocalyptic number.

It is an amenable number.

316341521 is a deficient number, since it is larger than the sum of its proper divisors (44323).

316341521 is an equidigital number, since it uses as much as digits as its factorization.

316341521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44322.

The product of its digits is 2160, while the sum is 26.

The square root of 316341521 is about 17785.9922691988. The cubic root of 316341521 is about 681.3737518249.

The spelling of 316341521 in words is "three hundred sixteen million, three hundred forty-one thousand, five hundred twenty-one".