566263 has 4 divisors (see below), whose sum is σ = 575608. Its totient is φ = 556920.

The previous prime is 566233. The next prime is 566273. The reversal of 566263 is 362665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362665 = 5 ⋅72533.

It is a cyclic number.

It is not a de Polignac number, because 566263 - 2⁵ = 566231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4581 + ... + 4702.

It is an arithmetic number, because the mean of its divisors is an integer number (143902).

2⁵⁶⁶²⁶³ is an apocalyptic number.

566263 is a deficient number, since it is larger than the sum of its proper divisors (9345).

566263 is an equidigital number, since it uses as much as digits as its factorization.

566263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344.

The product of its digits is 6480, while the sum is 28.

The square root of 566263 is about 752.5044850365. The cubic root of 566263 is about 82.7318485940.

The spelling of 566263 in words is "five hundred sixty-six thousand, two hundred sixty-three".