26206091 has 2 divisors, whose sum is σ = 26206092. Its totient is φ = 26206090.

The previous prime is 26206079. The next prime is 26206121. The reversal of 26206091 is 19060262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26206091 - 2¹⁸ = 25943947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26206091.

It is not a weakly prime, because it can be changed into another prime (26206001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13103045 + 13103046.

It is an arithmetic number, because the mean of its divisors is an integer number (13103046).

Almost surely, 2^26206091 is an apocalyptic number.

26206091 is a deficient number, since it is larger than the sum of its proper divisors (1).

26206091 is an equidigital number, since it uses as much as digits as its factorization.

26206091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 26206091 is about 5119.1885099105. The cubic root of 26206091 is about 297.0302961609.

The spelling of 26206091 in words is "twenty-six million, two hundred six thousand, ninety-one".