260305265 has 16 divisors (see below), whose sum is σ = 341084736. Its totient is φ = 189134400.

The previous prime is 260305259. The next prime is 260305289. The reversal of 260305265 is 562503062.

It is a happy number.

It is not a de Polignac number, because 260305265 - 2²⁶ = 193196401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93950 + ... + 96680.

It is an arithmetic number, because the mean of its divisors is an integer number (21317796).

Almost surely, 2^260305265 is an apocalyptic number.

It is an amenable number.

260305265 is a deficient number, since it is larger than the sum of its proper divisors (80779471).

260305265 is a wasteful number, since it uses less digits than its factorization.

260305265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 260305265 is about 16133.9785855814. The cubic root of 260305265 is about 638.5001213159.

The spelling of 260305265 in words is "two hundred sixty million, three hundred five thousand, two hundred sixty-five".