564191 has 2 divisors, whose sum is σ = 564192. Its totient is φ = 564190.

The previous prime is 564173. The next prime is 564197. The reversal of 564191 is 191465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564191 - 2⁶ = 564127 is a prime.

It is a super-2 number, since 2×564191² = 636622968962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 564191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564197) 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, 282095 + 282096.

It is an arithmetic number, because the mean of its divisors is an integer number (282096).

2⁵⁶⁴¹⁹¹ is an apocalyptic number.

564191 is a deficient number, since it is larger than the sum of its proper divisors (1).

564191 is an equidigital number, since it uses as much as digits as its factorization.

564191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 564191 is about 751.1264873508. The cubic root of 564191 is about 82.6308178618.

The spelling of 564191 in words is "five hundred sixty-four thousand, one hundred ninety-one".