26091259 has 2 divisors, whose sum is σ = 26091260. Its totient is φ = 26091258.

The previous prime is 26091257. The next prime is 26091287. The reversal of 26091259 is 95219062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26091259 - 2¹ = 26091257 is a prime.

Together with 26091257, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26091257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13045629 + 13045630.

It is an arithmetic number, because the mean of its divisors is an integer number (13045630).

Almost surely, 2^26091259 is an apocalyptic number.

26091259 is a deficient number, since it is larger than the sum of its proper divisors (1).

26091259 is an equidigital number, since it uses as much as digits as its factorization.

26091259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 26091259 is about 5107.9603561500. The cubic root of 26091259 is about 296.5958103444.

It can be divided in two parts, 260 and 91259, that added together give a palindrome (91519).

The spelling of 26091259 in words is "twenty-six million, ninety-one thousand, two hundred fifty-nine".