563893 has 4 divisors (see below), whose sum is σ = 615168. Its totient is φ = 512620.

The previous prime is 563887. The next prime is 563897. The reversal of 563893 is 398365.

563893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563893 is a prime.

It is a Duffinian number.

563893 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563897) 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, 25621 + ... + 25642.

It is an arithmetic number, because the mean of its divisors is an integer number (153792).

2⁵⁶³⁸⁹³ is an apocalyptic number.

It is an amenable number.

563893 is a deficient number, since it is larger than the sum of its proper divisors (51275).

563893 is a wasteful number, since it uses less digits than its factorization.

563893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51274.

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

The square root of 563893 is about 750.9280924296. The cubic root of 563893 is about 82.6162670446.

The spelling of 563893 in words is "five hundred sixty-three thousand, eight hundred ninety-three".