563456 has 36 divisors (see below), whose sum is σ = 1177344. Its totient is φ = 268800.

The previous prime is 563449. The next prime is 563467. The reversal of 563456 is 654365.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7901 + ... + 7971.

It is an arithmetic number, because the mean of its divisors is an integer number (32704).

2⁵⁶³⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588672).

563456 is an abundant number, since it is smaller than the sum of its proper divisors (613888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563456 is an equidigital number, since it uses as much as digits as its factorization.

563456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 104 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 563456 is about 750.6370627674. The cubic root of 563456 is about 82.5949198274.

Subtracting 563456 from its reverse (654365), we obtain a palindrome (90909).

The spelling of 563456 in words is "five hundred sixty-three thousand, four hundred fifty-six".