316616441 has 2 divisors, whose sum is σ = 316616442. Its totient is φ = 316616440.

The previous prime is 316616431. The next prime is 316616471. The reversal of 316616441 is 144616613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175006441 + 141610000 = 13229^2 + 11900^2 .

It is an emirp because it is prime and its reverse (144616613) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316616441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316616398 and 316616407.

It is not a weakly prime, because it can be changed into another prime (316616411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158308220 + 158308221.

It is an arithmetic number, because the mean of its divisors is an integer number (158308221).

Almost surely, 2^316616441 is an apocalyptic number.

It is an amenable number.

316616441 is a deficient number, since it is larger than the sum of its proper divisors (1).

316616441 is an equidigital number, since it uses as much as digits as its factorization.

316616441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 316616441 is about 17793.7191446870. The cubic root of 316616441 is about 681.5710797343.

The spelling of 316616441 in words is "three hundred sixteen million, six hundred sixteen thousand, four hundred forty-one".