26501 has 2 divisors, whose sum is σ = 26502. Its totient is φ = 26500.

The previous prime is 26497. The next prime is 26513. The reversal of 26501 is 10562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21025 + 5476 = 145^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 26501 - 2² = 26497 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250 + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (13251).

2²⁶⁵⁰¹ is an apocalyptic number.

It is an amenable number.

26501 is a deficient number, since it is larger than the sum of its proper divisors (1).

26501 is an equidigital number, since it uses as much as digits as its factorization.

26501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 26501 is about 162.7912774076. The cubic root of 26501 is about 29.8140347986.

The spelling of 26501 in words is "twenty-six thousand, five hundred one".