260825 has 6 divisors (see below), whose sum is σ = 323454. Its totient is φ = 208640.

The previous prime is 260809. The next prime is 260849. The reversal of 260825 is 528062.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 26569 + 234256 = 163^2 + 484^2 .

It is not a de Polignac number, because 260825 - 2⁴ = 260809 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 260825.

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 5 ways as a sum of consecutive naturals, for example, 5192 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (53909).

2²⁶⁰⁸²⁵ is an apocalyptic number.

260825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

260825 is a deficient number, since it is larger than the sum of its proper divisors (62629).

260825 is a wasteful number, since it uses less digits than its factorization.

260825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10443 (or 10438 counting only the distinct ones).

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

The square root of 260825 is about 510.7102896947. The cubic root of 260825 is about 63.8924789693.

Adding to 260825 its reverse (528062), we get a palindrome (788887).

The spelling of 260825 in words is "two hundred sixty thousand, eight hundred twenty-five".