26597 has 2 divisors, whose sum is σ = 26598. Its totient is φ = 26596.

The previous prime is 26591. The next prime is 26627. The reversal of 26597 is 79562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25921 + 676 = 161^2 + 26^2 .

It is a cyclic number.

It is not a de Polignac number, because 26597 - 2¹² = 22501 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13298 + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (13299).

2²⁶⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

26597 is a deficient number, since it is larger than the sum of its proper divisors (1).

26597 is an equidigital number, since it uses as much as digits as its factorization.

26597 is an evil number, because the sum of its binary digits is even.

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

The square root of 26597 is about 163.0858669536. The cubic root of 26597 is about 29.8499919100.

The spelling of 26597 in words is "twenty-six thousand, five hundred ninety-seven".