563919 has 4 divisors (see below), whose sum is σ = 751896. Its totient is φ = 375944.

The previous prime is 563897. The next prime is 563929. The reversal of 563919 is 919365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 563919 - 2⁵ = 563887 is a prime.

It is a super-2 number, since 2×563919² = 636009277122, which contains 22 as substring.

It is a D-number.

563919 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 563919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563929) 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 3 ways as a sum of consecutive naturals, for example, 93984 + ... + 93989.

It is an arithmetic number, because the mean of its divisors is an integer number (187974).

2⁵⁶³⁹¹⁹ is an apocalyptic number.

563919 is a deficient number, since it is larger than the sum of its proper divisors (187977).

563919 is a wasteful number, since it uses less digits than its factorization.

563919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187976.

The product of its digits is 7290, while the sum is 33.

The square root of 563919 is about 750.9454041407. The cubic root of 563919 is about 82.6175367831.

The spelling of 563919 in words is "five hundred sixty-three thousand, nine hundred nineteen".