562863 has 16 divisors (see below), whose sum is σ = 876800. Its totient is φ = 321048.

The previous prime is 562841. The next prime is 562871. The reversal of 562863 is 368265.

It is not a de Polignac number, because 562863 - 2⁵ = 562831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 562863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (562813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756 + ... + 1302.

It is an arithmetic number, because the mean of its divisors is an integer number (54800).

2⁵⁶²⁸⁶³ is an apocalyptic number.

562863 is a deficient number, since it is larger than the sum of its proper divisors (313937).

562863 is an equidigital number, since it uses as much as digits as its factorization.

562863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 557 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 562863 is about 750.2419609699. The cubic root of 562863 is about 82.5659344350.

The spelling of 562863 in words is "five hundred sixty-two thousand, eight hundred sixty-three".