189265 has 4 divisors (see below), whose sum is σ = 227124. Its totient is φ = 151408.

The previous prime is 189257. The next prime is 189271. The reversal of 189265 is 562981.

189265 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 an emirpimes, since its reverse is a distinct semiprime: 562981 = 193 ⋅2917.

It can be written as a sum of positive squares in 2 ways, for example, as 22801 + 166464 = 151^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 189265 - 2³ = 189257 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18922 + ... + 18931.

It is an arithmetic number, because the mean of its divisors is an integer number (56781).

2¹⁸⁹²⁶⁵ is an apocalyptic number.

It is an amenable number.

189265 is a deficient number, since it is larger than the sum of its proper divisors (37859).

189265 is an equidigital number, since it uses as much as digits as its factorization.

189265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37858.

The product of its digits is 4320, while the sum is 31.

The square root of 189265 is about 435.0459745820. The cubic root of 189265 is about 57.4147444792.

It can be divided in two parts, 189 and 265, that added together give a palindrome (454).

The spelling of 189265 in words is "one hundred eighty-nine thousand, two hundred sixty-five".