260965 has 16 divisors (see below), whose sum is σ = 342720. Its totient is φ = 190080.

The previous prime is 260959. The next prime is 260969. The reversal of 260965 is 569062.

It is not a de Polignac number, because 260965 - 2⁹ = 260453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260969) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3862 + ... + 3928.

It is an arithmetic number, because the mean of its divisors is an integer number (21420).

2²⁶⁰⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

260965 is a deficient number, since it is larger than the sum of its proper divisors (81755).

260965 is a wasteful number, since it uses less digits than its factorization.

260965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 260965 is about 510.8473353165. The cubic root of 260965 is about 63.9039085320.

It can be divided in two parts, 260 and 965, that added together give a triangular number (1225 = T₄₉).

The spelling of 260965 in words is "two hundred sixty thousand, nine hundred sixty-five".