564291 has 36 divisors (see below), whose sum is σ = 1027728. Its totient is φ = 292032.

The previous prime is 564271. The next prime is 564299. The reversal of 564291 is 192465.

It is not a de Polignac number, because 564291 - 2⁶ = 564227 is a prime.

564291 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 564291.

It is not an unprimeable number, because it can be changed into a prime (564299) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10621 + ... + 10673.

It is an arithmetic number, because the mean of its divisors is an integer number (28548).

2⁵⁶⁴²⁹¹ is an apocalyptic number.

564291 is a deficient number, since it is larger than the sum of its proper divisors (463437).

564291 is a wasteful number, since it uses less digits than its factorization.

564291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 76 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 564291 is about 751.1930510861. The cubic root of 564291 is about 82.6356995382.

The spelling of 564291 in words is "five hundred sixty-four thousand, two hundred ninety-one".