316864081 has 2 divisors, whose sum is σ = 316864082. Its totient is φ = 316864080.

The previous prime is 316864069. The next prime is 316864109. The reversal of 316864081 is 180468613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280864081 + 36000000 = 16759^2 + 6000^2 .

It is a cyclic number.

It is not a de Polignac number, because 316864081 - 2²⁷ = 182646353 is a prime.

It is a super-2 number, since 2×316864081² = 200805691655949122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316864081.

It is not a weakly prime, because it can be changed into another prime (316864381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158432040 + 158432041.

It is an arithmetic number, because the mean of its divisors is an integer number (158432041).

Almost surely, 2^316864081 is an apocalyptic number.

It is an amenable number.

316864081 is a deficient number, since it is larger than the sum of its proper divisors (1).

316864081 is an equidigital number, since it uses as much as digits as its factorization.

316864081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 316864081 is about 17800.6764197319. The cubic root of 316864081 is about 681.7487292547.

The spelling of 316864081 in words is "three hundred sixteen million, eight hundred sixty-four thousand, eighty-one".