500345317 has 2 divisors, whose sum is σ = 500345318. Its totient is φ = 500345316.

The previous prime is 500345269. The next prime is 500345327. The reversal of 500345317 is 713543005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374770881 + 125574436 = 19359^2 + 11206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500345317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500345327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250172658 + 250172659.

It is an arithmetic number, because the mean of its divisors is an integer number (250172659).

Almost surely, 2^500345317 is an apocalyptic number.

It is an amenable number.

500345317 is a deficient number, since it is larger than the sum of its proper divisors (1).

500345317 is an equidigital number, since it uses as much as digits as its factorization.

500345317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 500345317 is about 22368.3999651294. The cubic root of 500345317 is about 793.8832027926.

The spelling of 500345317 in words is "five hundred million, three hundred forty-five thousand, three hundred seventeen".