564623263 has 2 divisors, whose sum is σ = 564623264. Its totient is φ = 564623262.

The previous prime is 564623249. The next prime is 564623281. The reversal of 564623263 is 362326465.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564623263 is a prime.

It is equal to p_29571553 and since 564623263 and 29571553 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564623203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282311631 + 282311632.

It is an arithmetic number, because the mean of its divisors is an integer number (282311632).

Almost surely, 2^564623263 is an apocalyptic number.

564623263 is a deficient number, since it is larger than the sum of its proper divisors (1).

564623263 is an equidigital number, since it uses as much as digits as its factorization.

564623263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 37.

The square root of 564623263 is about 23761.8026041797. The cubic root of 564623263 is about 826.5191540214.

The spelling of 564623263 in words is "five hundred sixty-four million, six hundred twenty-three thousand, two hundred sixty-three".