265522 has 4 divisors (see below), whose sum is σ = 398286. Its totient is φ = 132760.

The previous prime is 265513. The next prime is 265541. The reversal of 265522 is 225562.

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

It can be written as a sum of positive squares in only one way, i.e., 221841 + 43681 = 471^2 + 209^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2⁶ + 6² + 5² + 5⁵ + 2⁷ + 2¹⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 265493 and 265502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66379 + ... + 66382.

2²⁶⁵⁵²² is an apocalyptic number.

265522 is a deficient number, since it is larger than the sum of its proper divisors (132764).

265522 is a wasteful number, since it uses less digits than its factorization.

265522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132763.

The product of its digits is 1200, while the sum is 22.

The square root of 265522 is about 515.2882688360. The cubic root of 265522 is about 64.2737299235.

It can be divided in two parts, 265 and 522, that added together give a palindrome (787).

The spelling of 265522 in words is "two hundred sixty-five thousand, five hundred twenty-two".