563544217 has 2 divisors, whose sum is σ = 563544218. Its totient is φ = 563544216.

The previous prime is 563544167. The next prime is 563544227. The reversal of 563544217 is 712445365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 563540121 + 4096 = 23739^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 563544217 - 2¹⁹ = 563019929 is a prime.

It is not a weakly prime, because it can be changed into another prime (563544227) by changing a digit.

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 as a sum of consecutive naturals, namely, 281772108 + 281772109.

It is an arithmetic number, because the mean of its divisors is an integer number (281772109).

Almost surely, 2^563544217 is an apocalyptic number.

It is an amenable number.

563544217 is a deficient number, since it is larger than the sum of its proper divisors (1).

563544217 is an equidigital number, since it uses as much as digits as its factorization.

563544217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 563544217 is about 23739.0862713795. The cubic root of 563544217 is about 825.9923006980.

The spelling of 563544217 in words is "five hundred sixty-three million, five hundred forty-four thousand, two hundred seventeen".