316754521 has 4 divisors (see below), whose sum is σ = 325315492. Its totient is φ = 308193552.

The previous prime is 316754513. The next prime is 316754563. The reversal of 316754521 is 125457613.

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 223921296 + 92833225 = 14964^2 + 9635^2 .

It is a cyclic number.

It is not a de Polignac number, because 316754521 - 2³ = 316754513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316754021) 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 in 3 ways as a sum of consecutive naturals, for example, 4280430 + ... + 4280503.

It is an arithmetic number, because the mean of its divisors is an integer number (81328873).

Almost surely, 2^316754521 is an apocalyptic number.

It is an amenable number.

316754521 is a deficient number, since it is larger than the sum of its proper divisors (8560971).

316754521 is an equidigital number, since it uses as much as digits as its factorization.

316754521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8560970.

The product of its digits is 25200, while the sum is 34.

The square root of 316754521 is about 17797.5987425270. The cubic root of 316754521 is about 681.6701456121.

The spelling of 316754521 in words is "three hundred sixteen million, seven hundred fifty-four thousand, five hundred twenty-one".