26411491 has 2 divisors, whose sum is σ = 26411492. Its totient is φ = 26411490.

The previous prime is 26411459. The next prime is 26411507. The reversal of 26411491 is 19411462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26411491 - 2⁵ = 26411459 is a prime.

It is not a weakly prime, because it can be changed into another prime (26414491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13205745 + 13205746.

It is an arithmetic number, because the mean of its divisors is an integer number (13205746).

Almost surely, 2^26411491 is an apocalyptic number.

26411491 is a deficient number, since it is larger than the sum of its proper divisors (1).

26411491 is an equidigital number, since it uses as much as digits as its factorization.

26411491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 26411491 is about 5139.2111262333. The cubic root of 26411491 is about 297.8043060025.

The spelling of 26411491 in words is "twenty-six million, four hundred eleven thousand, four hundred ninety-one".