563323217 has 2 divisors, whose sum is σ = 563323218. Its totient is φ = 563323216.

The previous prime is 563323213. The next prime is 563323219. The reversal of 563323217 is 712323365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555120721 + 8202496 = 23561^2 + 2864^2 .

It is a cyclic number.

It is not a de Polignac number, because 563323217 - 2² = 563323213 is a prime.

It is a super-2 number, since 2×563323217² = 634666093622458178, which contains 22 as substring.

Together with 563323219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (563323213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281661608 + 281661609.

It is an arithmetic number, because the mean of its divisors is an integer number (281661609).

Almost surely, 2^563323217 is an apocalyptic number.

It is an amenable number.

563323217 is a deficient number, since it is larger than the sum of its proper divisors (1).

563323217 is an equidigital number, since it uses as much as digits as its factorization.

563323217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 32.

The square root of 563323217 is about 23734.4310443710. The cubic root of 563323217 is about 825.8843126228.

The spelling of 563323217 in words is "five hundred sixty-three million, three hundred twenty-three thousand, two hundred seventeen".