260017261 has 16 divisors (see below), whose sum is σ = 331205760. Its totient is φ = 198720000.

The previous prime is 260017253. The next prime is 260017267. The reversal of 260017261 is 162710062.

It is a cyclic number.

It is not a de Polignac number, because 260017261 - 2³ = 260017253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260017267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55240 + ... + 59761.

It is an arithmetic number, because the mean of its divisors is an integer number (20700360).

Almost surely, 2^260017261 is an apocalyptic number.

It is an amenable number.

260017261 is a deficient number, since it is larger than the sum of its proper divisors (71188499).

260017261 is a wasteful number, since it uses less digits than its factorization.

260017261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115044.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 260017261 is about 16125.0507286024. The cubic root of 260017261 is about 638.2645537281.

The spelling of 260017261 in words is "two hundred sixty million, seventeen thousand, two hundred sixty-one".