317895049 has 4 divisors (see below), whose sum is σ = 328149760. Its totient is φ = 307640340.

The previous prime is 317895043. The next prime is 317895073. The reversal of 317895049 is 940598713.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 940598713 = 997 ⋅943429.

It is a cyclic number.

It is not a de Polignac number, because 317895049 - 2³ = 317895041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317895041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5127309 + ... + 5127370.

It is an arithmetic number, because the mean of its divisors is an integer number (82037440).

Almost surely, 2^317895049 is an apocalyptic number.

It is an amenable number.

317895049 is a deficient number, since it is larger than the sum of its proper divisors (10254711).

317895049 is a wasteful number, since it uses less digits than its factorization.

317895049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10254710.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 317895049 is about 17829.6115773732. The cubic root of 317895049 is about 682.4873216571.

The spelling of 317895049 in words is "three hundred seventeen million, eight hundred ninety-five thousand, forty-nine".