265263 has 8 divisors (see below), whose sum is σ = 366000. Its totient is φ = 170688.

The previous prime is 265261. The next prime is 265271. The reversal of 265263 is 362562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 265263 - 2¹ = 265261 is a prime.

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 265263.

It is not an unprimeable number, because it can be changed into a prime (265261) 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, 1438 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (45750).

2²⁶⁵²⁶³ is an apocalyptic number.

265263 is a deficient number, since it is larger than the sum of its proper divisors (100737).

265263 is a wasteful number, since it uses less digits than its factorization.

265263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081.

The product of its digits is 2160, while the sum is 24.

The square root of 265263 is about 515.0368918825. The cubic root of 265263 is about 64.2528247987.

It can be divided in two parts, 265 and 263, that added together give a triangular number (528 = T₃₂).

The spelling of 265263 in words is "two hundred sixty-five thousand, two hundred sixty-three".