317745469 has 2 divisors, whose sum is σ = 317745470. Its totient is φ = 317745468.

The previous prime is 317745457. The next prime is 317745511. The reversal of 317745469 is 964547713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198105625 + 119639844 = 14075^2 + 10938^2 .

It is an emirp because it is prime and its reverse (964547713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317745469 - 2¹¹ = 317743421 is a prime.

It is a super-2 number, since 2×317745469² = 201924366140059922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317745409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158872734 + 158872735.

It is an arithmetic number, because the mean of its divisors is an integer number (158872735).

Almost surely, 2^317745469 is an apocalyptic number.

It is an amenable number.

317745469 is a deficient number, since it is larger than the sum of its proper divisors (1).

317745469 is an equidigital number, since it uses as much as digits as its factorization.

317745469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 317745469 is about 17825.4163766236. The cubic root of 317745469 is about 682.3802606740.

The spelling of 317745469 in words is "three hundred seventeen million, seven hundred forty-five thousand, four hundred sixty-nine".