26540611 has 2 divisors, whose sum is σ = 26540612. Its totient is φ = 26540610.

The previous prime is 26540609. The next prime is 26540617. The reversal of 26540611 is 11604562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26540611 - 2¹ = 26540609 is a prime.

Together with 26540609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26540617) 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, 13270305 + 13270306.

It is an arithmetic number, because the mean of its divisors is an integer number (13270306).

Almost surely, 2^26540611 is an apocalyptic number.

26540611 is a deficient number, since it is larger than the sum of its proper divisors (1).

26540611 is an equidigital number, since it uses as much as digits as its factorization.

26540611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 26540611 is about 5151.7580494429. The cubic root of 26540611 is about 298.2888173299.

The spelling of 26540611 in words is "twenty-six million, five hundred forty thousand, six hundred eleven".