265133 has 4 divisors (see below), whose sum is σ = 289248. Its totient is φ = 241020.

The previous prime is 265129. The next prime is 265141. The reversal of 265133 is 331562.

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 265133 - 2² = 265129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 265133.

It is not an unprimeable number, because it can be changed into a prime (265123) 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, 12041 + ... + 12062.

It is an arithmetic number, because the mean of its divisors is an integer number (72312).

2²⁶⁵¹³³ is an apocalyptic number.

It is an amenable number.

265133 is a deficient number, since it is larger than the sum of its proper divisors (24115).

265133 is a wasteful number, since it uses less digits than its factorization.

265133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24114.

The product of its digits is 540, while the sum is 20.

The square root of 265133 is about 514.9106718645. The cubic root of 265133 is about 64.2423267495.

Adding to 265133 its reverse (331562), we get a palindrome (596695).

It can be divided in two parts, 265 and 133, that multiplied together give a triangular number (35245 = T₂₆₅).

The spelling of 265133 in words is "two hundred sixty-five thousand, one hundred thirty-three".