260291 has 4 divisors (see below), whose sum is σ = 271632. Its totient is φ = 248952.

The previous prime is 260269. The next prime is 260317. The reversal of 260291 is 192062.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-260291 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (260201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5636 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (67908).

2²⁶⁰²⁹¹ is an apocalyptic number.

260291 is a deficient number, since it is larger than the sum of its proper divisors (11341).

260291 is a wasteful number, since it uses less digits than its factorization.

260291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11340.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 260291 is about 510.1872205377. The cubic root of 260291 is about 63.8488457612.

The spelling of 260291 in words is "two hundred sixty thousand, two hundred ninety-one".