566403 has 4 divisors (see below), whose sum is σ = 755208. Its totient is φ = 377600.

The previous prime is 566393. The next prime is 566413. The reversal of 566403 is 304665.

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

It is an interprime number because it is at equal distance from previous prime (566393) and next prime (566413).

It is a cyclic number.

It is not a de Polignac number, because 566403 - 2⁴ = 566387 is a prime.

It is a D-number.

566403 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 566403.

It is not an unprimeable number, because it can be changed into a prime (566413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94398 + ... + 94403.

It is an arithmetic number, because the mean of its divisors is an integer number (188802).

2⁵⁶⁶⁴⁰³ is an apocalyptic number.

566403 is a deficient number, since it is larger than the sum of its proper divisors (188805).

566403 is a wasteful number, since it uses less digits than its factorization.

566403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188804.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 566403 is about 752.5975019889. The cubic root of 566403 is about 82.7386661001.

It can be divided in two parts, 566 and 403, that added together give a palindrome (969).

The spelling of 566403 in words is "five hundred sixty-six thousand, four hundred three".