563387 has 4 divisors (see below), whose sum is σ = 614616. Its totient is φ = 512160.

The previous prime is 563377. The next prime is 563401. The reversal of 563387 is 783365.

It is a happy number.

563387 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.

It is not a de Polignac number, because 563387 - 2⁸ = 563131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563327) 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, 25598 + ... + 25619.

It is an arithmetic number, because the mean of its divisors is an integer number (153654).

2⁵⁶³³⁸⁷ is an apocalyptic number.

563387 is a deficient number, since it is larger than the sum of its proper divisors (51229).

563387 is a wasteful number, since it uses less digits than its factorization.

563387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51228.

The product of its digits is 15120, while the sum is 32.

The square root of 563387 is about 750.5911004002. The cubic root of 563387 is about 82.5915482053.

It can be divided in two parts, 56 and 3387, that added together give a palindrome (3443).

The spelling of 563387 in words is "five hundred sixty-three thousand, three hundred eighty-seven".