563881231 has 16 divisors (see below), whose sum is σ = 599385600. Its totient is φ = 529800768.

The previous prime is 563881207. The next prime is 563881237. The reversal of 563881231 is 132188365.

It is a cyclic number.

It is not a de Polignac number, because 563881231 - 2¹⁹ = 563356943 is a prime.

It is a super-2 number, since 2×563881231² = 635924085348150722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563881237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116875 + ... + 121603.

It is an arithmetic number, because the mean of its divisors is an integer number (37461600).

Almost surely, 2^563881231 is an apocalyptic number.

563881231 is a deficient number, since it is larger than the sum of its proper divisors (35504369).

563881231 is a wasteful number, since it uses less digits than its factorization.

563881231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878.

The product of its digits is 34560, while the sum is 37.

The square root of 563881231 is about 23746.1835038812. The cubic root of 563881231 is about 826.1569227976.

The spelling of 563881231 in words is "five hundred sixty-three million, eight hundred eighty-one thousand, two hundred thirty-one".