566513317 has 2 divisors, whose sum is σ = 566513318. Its totient is φ = 566513316.

The previous prime is 566513303. The next prime is 566513323. The reversal of 566513317 is 713315665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 510353281 + 56160036 = 22591^2 + 7494^2 .

It is a cyclic number.

It is not a de Polignac number, because 566513317 - 2¹¹ = 566511269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566513357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283256658 + 283256659.

It is an arithmetic number, because the mean of its divisors is an integer number (283256659).

Almost surely, 2^566513317 is an apocalyptic number.

It is an amenable number.

566513317 is a deficient number, since it is larger than the sum of its proper divisors (1).

566513317 is an equidigital number, since it uses as much as digits as its factorization.

566513317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 37.

The square root of 566513317 is about 23801.5402232713. The cubic root of 566513317 is about 827.4403735753.

The spelling of 566513317 in words is "five hundred sixty-six million, five hundred thirteen thousand, three hundred seventeen".