317145859 has 4 divisors (see below), whose sum is σ = 319045104. Its totient is φ = 315246616.

The previous prime is 317145839. The next prime is 317145869. The reversal of 317145859 is 958541713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 958541713 = 191 ⋅5018543.

It is a cyclic number.

It is not a de Polignac number, because 317145859 - 2¹⁵ = 317113091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317145839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949372 + ... + 949705.

It is an arithmetic number, because the mean of its divisors is an integer number (79761276).

Almost surely, 2^317145859 is an apocalyptic number.

317145859 is a deficient number, since it is larger than the sum of its proper divisors (1899245).

317145859 is a wasteful number, since it uses less digits than its factorization.

317145859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899244.

The product of its digits is 151200, while the sum is 43.

The square root of 317145859 is about 17808.5894724989. The cubic root of 317145859 is about 681.9507558118.

It can be divided in two parts, 31714 and 5859, that added together give a palindrome (37573).

The spelling of 317145859 in words is "three hundred seventeen million, one hundred forty-five thousand, eight hundred fifty-nine".