564273 has 8 divisors (see below), whose sum is σ = 836000. Its totient is φ = 376164.

The previous prime is 564271. The next prime is 564299. The reversal of 564273 is 372465.

It is a happy number.

It is not a de Polignac number, because 564273 - 2¹ = 564271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20899 = 564273 / (5 + 6 + 4 + 2 + 7 + 3).

It is a d-powerful number, because it can be written as 5 + 6² + 2¹⁵ + 4² + 7 + 3¹² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10423 + ... + 10476.

It is an arithmetic number, because the mean of its divisors is an integer number (104500).

2⁵⁶⁴²⁷³ is an apocalyptic number.

It is an amenable number.

564273 is a deficient number, since it is larger than the sum of its proper divisors (271727).

564273 is a wasteful number, since it uses less digits than its factorization.

564273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20908 (or 20902 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 564273 is about 751.1810700490. The cubic root of 564273 is about 82.6348208790.

The spelling of 564273 in words is "five hundred sixty-four thousand, two hundred seventy-three".