317445489 has 9 divisors (see below), whose sum is σ = 458609593. Its totient is φ = 211594692.

The previous prime is 317445481. The next prime is 317445497. The reversal of 317445489 is 984544713.

The square root of 317445489 is 17817.

It is a perfect power (a square), and thus also a powerful number.

317445489 is a `hidden beast` number, since 31 + 74 + 4 + 548 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (317445481) and next prime (317445497).

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 317445489 - 2³ = 317445481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317445481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 50482 + ... + 56420.

Almost surely, 2^317445489 is an apocalyptic number.

317445489 is the 17817-th square number.

317445489 is the 8909-th centered octagonal number.

It is an amenable number.

317445489 is a deficient number, since it is larger than the sum of its proper divisors (141164104).

317445489 is an frugal number, since it uses more digits than its factorization.

317445489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11884 (or 5942 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The cubic root of 317445489 is about 682.1654504953.

The spelling of 317445489 in words is "three hundred seventeen million, four hundred forty-five thousand, four hundred eighty-nine".