26579 has 4 divisors (see below), whose sum is σ = 30384. Its totient is φ = 22776.

The previous prime is 26573. The next prime is 26591. The reversal of 26579 is 97562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97562 = 2 ⋅48781.

It is a cyclic number.

It is not a de Polignac number, because 26579 - 2¹² = 22483 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (26573) 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, 1892 + ... + 1905.

It is an arithmetic number, because the mean of its divisors is an integer number (7596).

2²⁶⁵⁷⁹ is an apocalyptic number.

26579 is a deficient number, since it is larger than the sum of its proper divisors (3805).

26579 is an equidigital number, since it uses as much as digits as its factorization.

26579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804.

The product of its digits is 3780, while the sum is 29.

The square root of 26579 is about 163.0306719608. The cubic root of 26579 is about 29.8432565500.

The spelling of 26579 in words is "twenty-six thousand, five hundred seventy-nine".