26601 has 4 divisors (see below), whose sum is σ = 35472. Its totient is φ = 17732.

The previous prime is 26597. The next prime is 26627. The reversal of 26601 is 10662.

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 26601 - 2² = 26597 is a prime.

It is a super-2 number, since 2×26601² = 1415226402, which contains 22 as substring.

It is a D-number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (26641) 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, 4431 + ... + 4436.

It is an arithmetic number, because the mean of its divisors is an integer number (8868).

2²⁶⁶⁰¹ is an apocalyptic number.

It is an amenable number.

26601 is a deficient number, since it is larger than the sum of its proper divisors (8871).

26601 is an equidigital number, since it uses as much as digits as its factorization.

26601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 26601 is about 163.0981299709. The cubic root of 26601 is about 29.8514882440.

The spelling of 26601 in words is "twenty-six thousand, six hundred one".