260911 has 4 divisors (see below), whose sum is σ = 298192. Its totient is φ = 223632.

The previous prime is 260893. The next prime is 260921. The reversal of 260911 is 119062.

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

It is a cyclic number.

It is not a de Polignac number, because 260911 - 2⁵ = 260879 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 (260921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18630 + ... + 18643.

It is an arithmetic number, because the mean of its divisors is an integer number (74548).

2²⁶⁰⁹¹¹ is an apocalyptic number.

260911 is a deficient number, since it is larger than the sum of its proper divisors (37281).

260911 is an equidigital number, since it uses as much as digits as its factorization.

260911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37280.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 260911 is about 510.7944792184. The cubic root of 260911 is about 63.8995004708.

Adding to 260911 its reverse (119062), we get a palindrome (379973).

The spelling of 260911 in words is "two hundred sixty thousand, nine hundred eleven".