317984005 has 4 divisors (see below), whose sum is σ = 381580812. Its totient is φ = 254387200.

The previous prime is 317983961. The next prime is 317984027. The reversal of 317984005 is 500489713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500489713 = 37 ⋅13526749.

It can be written as a sum of positive squares in 2 ways, for example, as 66031876 + 251952129 = 8126^2 + 15873^2 .

It is not a de Polignac number, because 317984005 - 2¹³ = 317975813 is a prime.

It is a super-2 number, since 2×317984005² = 202227654871680050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31798396 + ... + 31798405.

It is an arithmetic number, because the mean of its divisors is an integer number (95395203).

Almost surely, 2^317984005 is an apocalyptic number.

It is an amenable number.

317984005 is a deficient number, since it is larger than the sum of its proper divisors (63596807).

317984005 is an equidigital number, since it uses as much as digits as its factorization.

317984005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63596806.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 317984005 is about 17832.1060169572. The cubic root of 317984005 is about 682.5509754535.

The spelling of 317984005 in words is "three hundred seventeen million, nine hundred eighty-four thousand, five".