563121364 has 24 divisors (see below), whose sum is σ = 1062088328. Its totient is φ = 259701120.

The previous prime is 563121329. The next prime is 563121371. The reversal of 563121364 is 463121365.

It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 563112900 = 92^2 + 23730^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79654 + ... + 86434.

Almost surely, 2^563121364 is an apocalyptic number.

It is an amenable number.

563121364 is a deficient number, since it is larger than the sum of its proper divisors (498966964).

563121364 is a wasteful number, since it uses less digits than its factorization.

563121364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8395 (or 8393 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 563121364 is about 23730.1783389843. The cubic root of 563121364 is about 825.7856557375.

Subtracting from 563121364 its reverse (463121365), we obtain a palindrome (99999999).

The spelling of 563121364 in words is "five hundred sixty-three million, one hundred twenty-one thousand, three hundred sixty-four".