317326609 has 2 divisors, whose sum is σ = 317326610. Its totient is φ = 317326608.

The previous prime is 317326531. The next prime is 317326631. The reversal of 317326609 is 906623713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200081025 + 117245584 = 14145^2 + 10828^2 .

It is a cyclic number.

It is not a de Polignac number, because 317326609 - 2⁷ = 317326481 is a prime.

It is not a weakly prime, because it can be changed into another prime (317326649) 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, 158663304 + 158663305.

It is an arithmetic number, because the mean of its divisors is an integer number (158663305).

Almost surely, 2^317326609 is an apocalyptic number.

It is an amenable number.

317326609 is a deficient number, since it is larger than the sum of its proper divisors (1).

317326609 is an equidigital number, since it uses as much as digits as its factorization.

317326609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 317326609 is about 17813.6635479623. The cubic root of 317326609 is about 682.0802852655.

The spelling of 317326609 in words is "three hundred seventeen million, three hundred twenty-six thousand, six hundred nine".