563217563 has 2 divisors, whose sum is σ = 563217564. Its totient is φ = 563217562.

The previous prime is 563217559. The next prime is 563217587. The reversal of 563217563 is 365712365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563217563 - 2² = 563217559 is a prime.

It is not a weakly prime, because it can be changed into another prime (563217763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281608781 + 281608782.

It is an arithmetic number, because the mean of its divisors is an integer number (281608782).

Almost surely, 2^563217563 is an apocalyptic number.

563217563 is a deficient number, since it is larger than the sum of its proper divisors (1).

563217563 is an equidigital number, since it uses as much as digits as its factorization.

563217563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 38.

The square root of 563217563 is about 23732.2051862021. The cubic root of 563217563 is about 825.8326765257.

The spelling of 563217563 in words is "five hundred sixty-three million, two hundred seventeen thousand, five hundred sixty-three".