316556953 has 8 divisors (see below), whose sum is σ = 328094280. Its totient is φ = 305061120.

The previous prime is 316556939. The next prime is 316556971. The reversal of 316556953 is 359655613.

It can be written as a sum of positive squares in 4 ways, for example, as 60652944 + 255904009 = 7788^2 + 15997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316556953 - 2²¹ = 314459801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316556353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5601 + ... + 25777.

It is an arithmetic number, because the mean of its divisors is an integer number (41011785).

Almost surely, 2^316556953 is an apocalyptic number.

It is an amenable number.

316556953 is a deficient number, since it is larger than the sum of its proper divisors (11537327).

316556953 is a wasteful number, since it uses less digits than its factorization.

316556953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20747.

The product of its digits is 364500, while the sum is 43.

The square root of 316556953 is about 17792.0474650896. The cubic root of 316556953 is about 681.5283910267.

The spelling of 316556953 in words is "three hundred sixteen million, five hundred fifty-six thousand, nine hundred fifty-three".