563716217 has 2 divisors, whose sum is σ = 563716218. Its totient is φ = 563716216.

The previous prime is 563716169. The next prime is 563716289. The reversal of 563716217 is 712617365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336942736 + 226773481 = 18356^2 + 15059^2 .

It is a cyclic number.

It is not a de Polignac number, because 563716217 - 2⁸ = 563715961 is a prime.

It is not a weakly prime, because it can be changed into another prime (563716117) 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, 281858108 + 281858109.

It is an arithmetic number, because the mean of its divisors is an integer number (281858109).

Almost surely, 2^563716217 is an apocalyptic number.

It is an amenable number.

563716217 is a deficient number, since it is larger than the sum of its proper divisors (1).

563716217 is an equidigital number, since it uses as much as digits as its factorization.

563716217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 563716217 is about 23742.7087123605. The cubic root of 563716217 is about 826.0763261806.

The spelling of 563716217 in words is "five hundred sixty-three million, seven hundred sixteen thousand, two hundred seventeen".