564426563 has 2 divisors, whose sum is σ = 564426564. Its totient is φ = 564426562.

The previous prime is 564426553. The next prime is 564426587. The reversal of 564426563 is 365624465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564426563 - 2⁴ = 564426547 is a prime.

It is a super-3 number, since 3×564426563³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 564426563.

It is not a weakly prime, because it can be changed into another prime (564426553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282213281 + 282213282.

It is an arithmetic number, because the mean of its divisors is an integer number (282213282).

Almost surely, 2^564426563 is an apocalyptic number.

564426563 is a deficient number, since it is larger than the sum of its proper divisors (1).

564426563 is an equidigital number, since it uses as much as digits as its factorization.

564426563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 41.

The square root of 564426563 is about 23757.6632478870. The cubic root of 564426563 is about 826.4231636440.

The spelling of 564426563 in words is "five hundred sixty-four million, four hundred twenty-six thousand, five hundred sixty-three".