563859 has 24 divisors (see below), whose sum is σ = 878592. Its totient is φ = 347760.

The previous prime is 563851. The next prime is 563869. The reversal of 563859 is 958365.

It is not a de Polignac number, because 563859 - 2³ = 563851 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11974 + ... + 12020.

It is an arithmetic number, because the mean of its divisors is an integer number (36608).

2⁵⁶³⁸⁵⁹ is an apocalyptic number.

563859 is a deficient number, since it is larger than the sum of its proper divisors (314733).

563859 is a wasteful number, since it uses less digits than its factorization.

563859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 124 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 563859 is about 750.9054534361. The cubic root of 563859 is about 82.6146065585.

The spelling of 563859 in words is "five hundred sixty-three thousand, eight hundred fifty-nine".