563522689 has 2 divisors, whose sum is σ = 563522690. Its totient is φ = 563522688.

The previous prime is 563522651. The next prime is 563522717. The reversal of 563522689 is 986225365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557762689 + 5760000 = 23617^2 + 2400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563522689 is a prime.

It is not a weakly prime, because it can be changed into another prime (563522639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281761344 + 281761345.

It is an arithmetic number, because the mean of its divisors is an integer number (281761345).

Almost surely, 2^563522689 is an apocalyptic number.

It is an amenable number.

563522689 is a deficient number, since it is larger than the sum of its proper divisors (1).

563522689 is an equidigital number, since it uses as much as digits as its factorization.

563522689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 46.

The square root of 563522689 is about 23738.6328376341. The cubic root of 563522689 is about 825.9817826303.

The spelling of 563522689 in words is "five hundred sixty-three million, five hundred twenty-two thousand, six hundred eighty-nine".