565273 has 2 divisors, whose sum is σ = 565274. Its totient is φ = 565272.

The previous prime is 565261. The next prime is 565283. The reversal of 565273 is 372565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501264 + 64009 = 708^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 565273 - 2⁵ = 565241 is a prime.

It is not a weakly prime, because it can be changed into another prime (565283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282636 + 282637.

It is an arithmetic number, because the mean of its divisors is an integer number (282637).

2⁵⁶⁵²⁷³ is an apocalyptic number.

It is an amenable number.

565273 is a deficient number, since it is larger than the sum of its proper divisors (1).

565273 is an equidigital number, since it uses as much as digits as its factorization.

565273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 28.

The square root of 565273 is about 751.8463938864. The cubic root of 565273 is about 82.6836069890.

It can be divided in two parts, 565 and 273, that added together give a palindrome (838).

The spelling of 565273 in words is "five hundred sixty-five thousand, two hundred seventy-three".