265159 has 4 divisors (see below), whose sum is σ = 270216. Its totient is φ = 260104.

The previous prime is 265157. The next prime is 265163. The reversal of 265159 is 951562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 265159 - 2¹ = 265157 is a prime.

It is an Ulam number.

It is a Duffinian number.

265159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265151) 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, 2449 + ... + 2554.

It is an arithmetic number, because the mean of its divisors is an integer number (67554).

2²⁶⁵¹⁵⁹ is an apocalyptic number.

265159 is a deficient number, since it is larger than the sum of its proper divisors (5057).

265159 is an equidigital number, since it uses as much as digits as its factorization.

265159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056.

The product of its digits is 2700, while the sum is 28.

The square root of 265159 is about 514.9359183432. The cubic root of 265159 is about 64.2444266338.

It can be divided in two parts, 265 and 159, that added together give a palindrome (424).

The spelling of 265159 in words is "two hundred sixty-five thousand, one hundred fifty-nine".