318483817 has 2 divisors, whose sum is σ = 318483818. Its totient is φ = 318483816.

The previous prime is 318483791. The next prime is 318483821. The reversal of 318483817 is 718384813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164326761 + 154157056 = 12819^2 + 12416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318483817 is a prime.

It is not a weakly prime, because it can be changed into another prime (318483857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159241908 + 159241909.

It is an arithmetic number, because the mean of its divisors is an integer number (159241909).

Almost surely, 2^318483817 is an apocalyptic number.

It is an amenable number.

318483817 is a deficient number, since it is larger than the sum of its proper divisors (1).

318483817 is an equidigital number, since it uses as much as digits as its factorization.

318483817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 43.

The square root of 318483817 is about 17846.1148993275. The cubic root of 318483817 is about 682.9084028488.

It can be divided in two parts, 31 and 8483817, that added together give a palindrome (8483848).

The spelling of 318483817 in words is "three hundred eighteen million, four hundred eighty-three thousand, eight hundred seventeen".