566255563 has 2 divisors, whose sum is σ = 566255564. Its totient is φ = 566255562.

The previous prime is 566255539. The next prime is 566255603. The reversal of 566255563 is 365552665.

566255563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 566255563 - 2⁵ = 566255531 is a prime.

It is not a weakly prime, because it can be changed into another prime (566255513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283127781 + 283127782.

It is an arithmetic number, because the mean of its divisors is an integer number (283127782).

Almost surely, 2^566255563 is an apocalyptic number.

566255563 is a deficient number, since it is larger than the sum of its proper divisors (1).

566255563 is an equidigital number, since it uses as much as digits as its factorization.

566255563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810000, while the sum is 43.

The square root of 566255563 is about 23796.1249576480. The cubic root of 566255563 is about 827.3148640692.

The spelling of 566255563 in words is "five hundred sixty-six million, two hundred fifty-five thousand, five hundred sixty-three".