260465 has 8 divisors (see below), whose sum is σ = 316008. Its totient is φ = 206080.

The previous prime is 260461. The next prime is 260467. The reversal of 260465 is 564062.

It can be written as a sum of positive squares in 4 ways, for example, as 2401 + 258064 = 49^2 + 508^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260465 - 2² = 260461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260465.

It is not an unprimeable number, because it can be changed into a prime (260461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335 + ... + 795.

It is an arithmetic number, because the mean of its divisors is an integer number (39501).

2²⁶⁰⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

260465 is a deficient number, since it is larger than the sum of its proper divisors (55543).

260465 is a wasteful number, since it uses less digits than its factorization.

260465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 260465 is about 510.3577176844. The cubic root of 260465 is about 63.8630698726.

The spelling of 260465 in words is "two hundred sixty thousand, four hundred sixty-five".