26108281 has 2 divisors, whose sum is σ = 26108282. Its totient is φ = 26108280.

The previous prime is 26108249. The next prime is 26108297. The reversal of 26108281 is 18280162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26101881 + 6400 = 5109^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 26108281 - 2⁵ = 26108249 is a prime.

It is a super-2 number, since 2×26108281² = 1363284673549922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26108581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13054140 + 13054141.

It is an arithmetic number, because the mean of its divisors is an integer number (13054141).

Almost surely, 2^26108281 is an apocalyptic number.

It is an amenable number.

26108281 is a deficient number, since it is larger than the sum of its proper divisors (1).

26108281 is an equidigital number, since it uses as much as digits as its factorization.

26108281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 26108281 is about 5109.6263072753. The cubic root of 26108281 is about 296.6602962624.

The spelling of 26108281 in words is "twenty-six million, one hundred eight thousand, two hundred eighty-one".