563427913 has 2 divisors, whose sum is σ = 563427914. Its totient is φ = 563427912.

The previous prime is 563427911. The next prime is 563427929. The reversal of 563427913 is 319724365.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532824889 + 30603024 = 23083^2 + 5532^2 .

It is a cyclic number.

It is not a de Polignac number, because 563427913 - 2¹ = 563427911 is a prime.

Together with 563427911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (563427911) 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 as a sum of consecutive naturals, namely, 281713956 + 281713957.

It is an arithmetic number, because the mean of its divisors is an integer number (281713957).

Almost surely, 2^563427913 is an apocalyptic number.

It is an amenable number.

563427913 is a deficient number, since it is larger than the sum of its proper divisors (1).

563427913 is an equidigital number, since it uses as much as digits as its factorization.

563427913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 563427913 is about 23736.6365140472. The cubic root of 563427913 is about 825.9354741497.

The spelling of 563427913 in words is "five hundred sixty-three million, four hundred twenty-seven thousand, nine hundred thirteen".