563983 has 16 divisors (see below), whose sum is σ = 700416. Its totient is φ = 443520.

The previous prime is 563971. The next prime is 563987. The reversal of 563983 is 389365.

563983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-563983 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 (563987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4935 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (43776).

2⁵⁶³⁹⁸³ is an apocalyptic number.

563983 is a deficient number, since it is larger than the sum of its proper divisors (136433).

563983 is a wasteful number, since it uses less digits than its factorization.

563983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its digits is 19440, while the sum is 34.

The square root of 563983 is about 750.9880158831. The cubic root of 563983 is about 82.6206621269.

The spelling of 563983 in words is "five hundred sixty-three thousand, nine hundred eighty-three".