317085449 has 8 divisors (see below), whose sum is σ = 336885960. Its totient is φ = 297876096.

The previous prime is 317085443. The next prime is 317085463. The reversal of 317085449 is 944580713.

It can be written as a sum of positive squares in 4 ways, for example, as 135024400 + 182061049 = 11620^2 + 13493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 317085449 - 2⁸ = 317085193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317085443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146684 + ... + 148829.

It is an arithmetic number, because the mean of its divisors is an integer number (42110745).

Almost surely, 2^317085449 is an apocalyptic number.

It is an amenable number.

317085449 is a deficient number, since it is larger than the sum of its proper divisors (19800511).

317085449 is a wasteful number, since it uses less digits than its factorization.

317085449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295579.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 317085449 is about 17806.8933000678. The cubic root of 317085449 is about 681.9074536949.

The spelling of 317085449 in words is "three hundred seventeen million, eighty-five thousand, four hundred forty-nine".