260091 has 30 divisors (see below), whose sum is σ = 442860. Its totient is φ = 151632.

The previous prime is 260089. The next prime is 260111. The reversal of 260091 is 190062.

It is not a de Polignac number, because 260091 - 2¹ = 260089 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (260011) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 13680 + ... + 13698.

It is an arithmetic number, because the mean of its divisors is an integer number (14762).

2²⁶⁰⁰⁹¹ is an apocalyptic number.

260091 is a deficient number, since it is larger than the sum of its proper divisors (182769).

260091 is a wasteful number, since it uses less digits than its factorization.

260091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 260091 is about 509.9911763943. The cubic root of 260091 is about 63.8324883751.

The spelling of 260091 in words is "two hundred sixty thousand, ninety-one".