265485 has 16 divisors (see below), whose sum is σ = 463680. Its totient is φ = 128640.

The previous prime is 265483. The next prime is 265493. The reversal of 265485 is 584562.

It is not a de Polignac number, because 265485 - 2¹ = 265483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265483) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 640 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (28980).

2²⁶⁵⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

265485 is a deficient number, since it is larger than the sum of its proper divisors (198195).

265485 is a wasteful number, since it uses less digits than its factorization.

265485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its digits is 9600, while the sum is 30.

The square root of 265485 is about 515.2523653512. The cubic root of 265485 is about 64.2707443097.

The spelling of 265485 in words is "two hundred sixty-five thousand, four hundred eighty-five".