316637 has 2 divisors, whose sum is σ = 316638. Its totient is φ = 316636.

The previous prime is 316633. The next prime is 316649. The reversal of 316637 is 736613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264196 + 52441 = 514^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 316637 - 2² = 316633 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158318 + 158319.

It is an arithmetic number, because the mean of its divisors is an integer number (158319).

2³¹⁶⁶³⁷ is an apocalyptic number.

It is an amenable number.

316637 is a deficient number, since it is larger than the sum of its proper divisors (1).

316637 is an equidigital number, since it uses as much as digits as its factorization.

316637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 26.

The square root of 316637 is about 562.7050737287. The cubic root of 316637 is about 68.1585831670.

The spelling of 316637 in words is "three hundred sixteen thousand, six hundred thirty-seven".