563321 has 8 divisors (see below), whose sum is σ = 622944. Its totient is φ = 505120.

The previous prime is 563287. The next prime is 563327. The reversal of 563321 is 123365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 563321 - 2¹⁰ = 562297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 563293 and 563302.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 605 + ... + 1221.

It is an arithmetic number, because the mean of its divisors is an integer number (77868).

2⁵⁶³³²¹ is an apocalyptic number.

It is an amenable number.

563321 is a deficient number, since it is larger than the sum of its proper divisors (59623).

563321 is a wasteful number, since it uses less digits than its factorization.

563321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its digits is 540, while the sum is 20.

The square root of 563321 is about 750.5471337631. The cubic root of 563321 is about 82.5883229179.

Adding to 563321 its reverse (123365), we get a palindrome (686686).

The spelling of 563321 in words is "five hundred sixty-three thousand, three hundred twenty-one".