316608073 has 2 divisors, whose sum is σ = 316608074. Its totient is φ = 316608072.

The previous prime is 316608059. The next prime is 316608091. The reversal of 316608073 is 370806613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264940729 + 51667344 = 16277^2 + 7188^2 .

It is an emirp because it is prime and its reverse (370806613) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316608073 is a prime.

It is not a weakly prime, because it can be changed into another prime (316608043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158304036 + 158304037.

It is an arithmetic number, because the mean of its divisors is an integer number (158304037).

Almost surely, 2^316608073 is an apocalyptic number.

It is an amenable number.

316608073 is a deficient number, since it is larger than the sum of its proper divisors (1).

316608073 is an equidigital number, since it uses as much as digits as its factorization.

316608073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 316608073 is about 17793.4840039830. The cubic root of 316608073 is about 681.5650751640.

The spelling of 316608073 in words is "three hundred sixteen million, six hundred eight thousand, seventy-three".