260285 has 4 divisors (see below), whose sum is σ = 312348. Its totient is φ = 208224.

The previous prime is 260269. The next prime is 260317. The reversal of 260285 is 582062.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 139876 + 120409 = 374^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 260285 - 2⁴ = 260269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 260285.

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 260285.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26024 + ... + 26033.

It is an arithmetic number, because the mean of its divisors is an integer number (78087).

2²⁶⁰²⁸⁵ is an apocalyptic number.

It is an amenable number.

260285 is a deficient number, since it is larger than the sum of its proper divisors (52063).

260285 is an equidigital number, since it uses as much as digits as its factorization.

260285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52062.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 260285 is about 510.1813403095. The cubic root of 260285 is about 63.8483551615.

It can be divided in two parts, 260 and 285, that added together give a palindrome (545).

The spelling of 260285 in words is "two hundred sixty thousand, two hundred eighty-five".