317534949 has 18 divisors (see below), whose sum is σ = 474908070. Its totient is φ = 204205008.

The previous prime is 317534939. The next prime is 317534981. The reversal of 317534949 is 949435713.

It can be written as a sum of positive squares in only one way, i.e., 273737025 + 43797924 = 16545^2 + 6618^2 .

It is not a de Polignac number, because 317534949 - 2¹³ = 317526757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317534929) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 287332 + ... + 288434.

Almost surely, 2^317534949 is an apocalyptic number.

It is an amenable number.

317534949 is a deficient number, since it is larger than the sum of its proper divisors (157373121).

317534949 is an equidigital number, since it uses as much as digits as its factorization.

317534949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 1135 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 317534949 is about 17819.5103468081. The cubic root of 317534949 is about 682.2295253171.

The spelling of 317534949 in words is "three hundred seventeen million, five hundred thirty-four thousand, nine hundred forty-nine".