504563317 has 2 divisors, whose sum is σ = 504563318. Its totient is φ = 504563316.

The previous prime is 504563309. The next prime is 504563321. The reversal of 504563317 is 713365405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411035076 + 93528241 = 20274^2 + 9671^2 .

It is a cyclic number.

It is not a de Polignac number, because 504563317 - 2³ = 504563309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504563327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252281658 + 252281659.

It is an arithmetic number, because the mean of its divisors is an integer number (252281659).

Almost surely, 2^504563317 is an apocalyptic number.

It is an amenable number.

504563317 is a deficient number, since it is larger than the sum of its proper divisors (1).

504563317 is an equidigital number, since it uses as much as digits as its factorization.

504563317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 504563317 is about 22462.4868836912. The cubic root of 504563317 is about 796.1078220020.

The spelling of 504563317 in words is "five hundred four million, five hundred sixty-three thousand, three hundred seventeen".