500985313 has 2 divisors, whose sum is σ = 500985314. Its totient is φ = 500985312.

The previous prime is 500985307. The next prime is 500985383. The reversal of 500985313 is 313589005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418120704 + 82864609 = 20448^2 + 9103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500985313 is a prime.

It is not a weakly prime, because it can be changed into another prime (500985383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250492656 + 250492657.

It is an arithmetic number, because the mean of its divisors is an integer number (250492657).

Almost surely, 2^500985313 is an apocalyptic number.

It is an amenable number.

500985313 is a deficient number, since it is larger than the sum of its proper divisors (1).

500985313 is an equidigital number, since it uses as much as digits as its factorization.

500985313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 500985313 is about 22382.7011998105. The cubic root of 500985313 is about 794.2215461861.

The spelling of 500985313 in words is "five hundred million, nine hundred eighty-five thousand, three hundred thirteen".