563421061 has 14 divisors (see below), whose sum is σ = 657461030. Its totient is φ = 482831496.

The previous prime is 563421049. The next prime is 563421083. The reversal of 563421061 is 160124365.

It can be written as a sum of positive squares in only one way, i.e., 355888225 + 207532836 = 18865^2 + 14406^2 .

It is not a de Polignac number, because 563421061 - 2⁵ = 563421029 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 (563421011) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 115255 + ... + 120043.

Almost surely, 2^563421061 is an apocalyptic number.

It is an amenable number.

563421061 is a deficient number, since it is larger than the sum of its proper divisors (94039969).

563421061 is an frugal number, since it uses more digits than its factorization.

563421061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831 (or 4796 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 563421061 is about 23736.4921797641. The cubic root of 563421061 is about 825.9321259942.

The spelling of 563421061 in words is "five hundred sixty-three million, four hundred twenty-one thousand, sixty-one".