563331 has 8 divisors (see below), whose sum is σ = 790720. Its totient is φ = 355752.

The previous prime is 563327. The next prime is 563351. The reversal of 563331 is 133365.

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

It is not a de Polignac number, because 563331 - 2² = 563327 is a prime.

It is a super-2 number, since 2×563331² = 634683631122, which contains 22 as substring.

It is a Duffinian number.

563331 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 563298 and 563307.

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 7 ways as a sum of consecutive naturals, for example, 4885 + ... + 4998.

It is an arithmetic number, because the mean of its divisors is an integer number (98840).

2⁵⁶³³³¹ is an apocalyptic number.

563331 is a deficient number, since it is larger than the sum of its proper divisors (227389).

563331 is a wasteful number, since it uses less digits than its factorization.

563331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905.

The product of its digits is 810, while the sum is 21.

The square root of 563331 is about 750.5537955403. The cubic root of 563331 is about 82.5888116140.

Adding to 563331 its reverse (133365), we get a palindrome (696696).

It can be divided in two parts, 5 and 63331, that added together give a palindrome (63336).

The spelling of 563331 in words is "five hundred sixty-three thousand, three hundred thirty-one".