26081 has 4 divisors (see below), whose sum is σ = 28464. Its totient is φ = 23700.

The previous prime is 26053. The next prime is 26083. The reversal of 26081 is 18062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26081 - 2⁶ = 26017 is a prime.

It is a super-2 number, since 2×26081² = 1360437122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (26083) 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, 1175 + ... + 1196.

It is an arithmetic number, because the mean of its divisors is an integer number (7116).

2²⁶⁰⁸¹ is an apocalyptic number.

It is an amenable number.

26081 is a deficient number, since it is larger than the sum of its proper divisors (2383).

26081 is a wasteful number, since it uses less digits than its factorization.

26081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 26081 is about 161.4961299846. The cubic root of 26081 is about 29.6556931739.

The spelling of 26081 in words is "twenty-six thousand, eighty-one".