564742327 has 2 divisors, whose sum is σ = 564742328. Its totient is φ = 564742326.

The previous prime is 564742231. The next prime is 564742393. The reversal of 564742327 is 723247465.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564742327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564742327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564742427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282371163 + 282371164.

It is an arithmetic number, because the mean of its divisors is an integer number (282371164).

Almost surely, 2^564742327 is an apocalyptic number.

564742327 is a deficient number, since it is larger than the sum of its proper divisors (1).

564742327 is an equidigital number, since it uses as much as digits as its factorization.

564742327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 40.

The square root of 564742327 is about 23764.3078375954. The cubic root of 564742327 is about 826.5772468930.

It can be divided in two parts, 5647 and 42327, that added together give a palindrome (47974).

The spelling of 564742327 in words is "five hundred sixty-four million, seven hundred forty-two thousand, three hundred twenty-seven".