316933609 has 2 divisors, whose sum is σ = 316933610. Its totient is φ = 316933608.

The previous prime is 316933559. The next prime is 316933633. The reversal of 316933609 is 906339613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280897600 + 36036009 = 16760^2 + 6003^2 .

It is a cyclic number.

It is not a de Polignac number, because 316933609 - 2¹⁷ = 316802537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316933109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158466804 + 158466805.

It is an arithmetic number, because the mean of its divisors is an integer number (158466805).

Almost surely, 2^316933609 is an apocalyptic number.

It is an amenable number.

316933609 is a deficient number, since it is larger than the sum of its proper divisors (1).

316933609 is an equidigital number, since it uses as much as digits as its factorization.

316933609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 40.

The square root of 316933609 is about 17802.6292721047. The cubic root of 316933609 is about 681.7985899173.

The spelling of 316933609 in words is "three hundred sixteen million, nine hundred thirty-three thousand, six hundred nine".