317417949 has 6 divisors (see below), whose sum is σ = 458492606. Its totient is φ = 211611960.

The previous prime is 317417929. The next prime is 317417951. The reversal of 317417949 is 949714713.

It can be written as a sum of positive squares in only one way, i.e., 304328025 + 13089924 = 17445^2 + 3618^2 .

It is not a de Polignac number, because 317417949 - 2²⁰ = 316369373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317417909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17634322 + ... + 17634339.

Almost surely, 2^317417949 is an apocalyptic number.

It is an amenable number.

317417949 is a deficient number, since it is larger than the sum of its proper divisors (141074657).

317417949 is a wasteful number, since it uses less digits than its factorization.

317417949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35268667 (or 35268664 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 317417949 is about 17816.2271258536. The cubic root of 317417949 is about 682.1457228250.

The spelling of 317417949 in words is "three hundred seventeen million, four hundred seventeen thousand, nine hundred forty-nine".