566417263 has 4 divisors (see below), whose sum is σ = 574871320. Its totient is φ = 557963208.

The previous prime is 566417231. The next prime is 566417273. The reversal of 566417263 is 362714665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 566417263 - 2⁵ = 566417231 is a prime.

It is a super-2 number, since 2×566417263² = 641657031648822338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566417273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4226928 + ... + 4227061.

It is an arithmetic number, because the mean of its divisors is an integer number (143717830).

Almost surely, 2^566417263 is an apocalyptic number.

566417263 is a deficient number, since it is larger than the sum of its proper divisors (8454057).

566417263 is an equidigital number, since it uses as much as digits as its factorization.

566417263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8454056.

The product of its digits is 181440, while the sum is 40.

The square root of 566417263 is about 23799.5223271393. The cubic root of 566417263 is about 827.3936059486.

The spelling of 566417263 in words is "five hundred sixty-six million, four hundred seventeen thousand, two hundred sixty-three".