563361 has 4 divisors (see below), whose sum is σ = 751152. Its totient is φ = 375572.

The previous prime is 563359. The next prime is 563377. The reversal of 563361 is 163365.

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 not a de Polignac number, because 563361 - 2¹ = 563359 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (563351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93891 + ... + 93896.

It is an arithmetic number, because the mean of its divisors is an integer number (187788).

2⁵⁶³³⁶¹ is an apocalyptic number.

It is an amenable number.

563361 is a deficient number, since it is larger than the sum of its proper divisors (187791).

563361 is a wasteful number, since it uses less digits than its factorization.

563361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187790.

The product of its digits is 1620, while the sum is 24.

The square root of 563361 is about 750.5737805173. The cubic root of 563361 is about 82.5902776676.

The spelling of 563361 in words is "five hundred sixty-three thousand, three hundred sixty-one".