563364221 has 6 divisors (see below), whose sum is σ = 655342110. Its totient is φ = 482883576.

The previous prime is 563364203. The next prime is 563364223. The reversal of 563364221 is 122463365.

It can be written as a sum of positive squares in only one way, i.e., 298944100 + 264420121 = 17290^2 + 16261^2 .

It is not a de Polignac number, because 563364221 - 2⁶ = 563364157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563364223) 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 5 ways as a sum of consecutive naturals, for example, 5748566 + ... + 5748663.

It is an arithmetic number, because the mean of its divisors is an integer number (109223685).

Almost surely, 2^563364221 is an apocalyptic number.

It is an amenable number.

563364221 is a deficient number, since it is larger than the sum of its proper divisors (91977889).

563364221 is a wasteful number, since it uses less digits than its factorization.

563364221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11497243 (or 11497236 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 563364221 is about 23735.2948370143. The cubic root of 563364221 is about 825.9043506978.

The spelling of 563364221 in words is "five hundred sixty-three million, three hundred sixty-four thousand, two hundred twenty-one".