564620263 has 2 divisors, whose sum is σ = 564620264. Its totient is φ = 564620262.

The previous prime is 564620213. The next prime is 564620291. The reversal of 564620263 is 362026465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564620263 - 2²¹ = 562523111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564620213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282310131 + 282310132.

It is an arithmetic number, because the mean of its divisors is an integer number (282310132).

Almost surely, 2^564620263 is an apocalyptic number.

564620263 is a deficient number, since it is larger than the sum of its proper divisors (1).

564620263 is an equidigital number, since it uses as much as digits as its factorization.

564620263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 564620263 is about 23761.7394775719. The cubic root of 564620263 is about 826.5176901770.

The spelling of 564620263 in words is "five hundred sixty-four million, six hundred twenty thousand, two hundred sixty-three".