317564069 has 2 divisors, whose sum is σ = 317564070. Its totient is φ = 317564068.

The previous prime is 317564041. The next prime is 317564077. The reversal of 317564069 is 960465713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244547044 + 73017025 = 15638^2 + 8545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317564069 is a prime.

It is a super-2 number, since 2×317564069² = 201693875839673522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317564669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158782034 + 158782035.

It is an arithmetic number, because the mean of its divisors is an integer number (158782035).

Almost surely, 2^317564069 is an apocalyptic number.

It is an amenable number.

317564069 is a deficient number, since it is larger than the sum of its proper divisors (1).

317564069 is an equidigital number, since it uses as much as digits as its factorization.

317564069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 317564069 is about 17820.3274100113. The cubic root of 317564069 is about 682.2503796268.

The spelling of 317564069 in words is "three hundred seventeen million, five hundred sixty-four thousand, sixty-nine".