564169 has 4 divisors (see below), whose sum is σ = 582400. Its totient is φ = 545940.

The previous prime is 564163. The next prime is 564173. The reversal of 564169 is 961465.

564169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 564169 - 2⁷ = 564041 is a prime.

It is a super-2 number, since 2×564169² = 636573321122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 18199 = 564169 / (5 + 6 + 4 + 1 + 6 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 564169.

It is not an unprimeable number, because it can be changed into a prime (564163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9069 + ... + 9130.

It is an arithmetic number, because the mean of its divisors is an integer number (145600).

2⁵⁶⁴¹⁶⁹ is an apocalyptic number.

It is an amenable number.

564169 is a deficient number, since it is larger than the sum of its proper divisors (18231).

564169 is a wasteful number, since it uses less digits than its factorization.

564169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18230.

The product of its digits is 6480, while the sum is 31.

The square root of 564169 is about 751.1118425374. Note that the first 3 decimals coincide. The cubic root of 564169 is about 82.6297438156.

It can be divided in two parts, 56 and 4169, that added together give a square (4225 = 65²).

The spelling of 564169 in words is "five hundred sixty-four thousand, one hundred sixty-nine".