26165089 has 2 divisors, whose sum is σ = 26165090. Its totient is φ = 26165088.

The previous prime is 26165077. The next prime is 26165101. The reversal of 26165089 is 98056162.

It is a balanced prime because it is at equal distance from previous prime (26165077) and next prime (26165101).

It can be written as a sum of positive squares in only one way, i.e., 22896225 + 3268864 = 4785^2 + 1808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26165089 is a prime.

It is a super-2 number, since 2×26165089² = 1369223764755842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26165989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13082544 + 13082545.

It is an arithmetic number, because the mean of its divisors is an integer number (13082545).

Almost surely, 2^26165089 is an apocalyptic number.

It is an amenable number.

26165089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26165089 is an equidigital number, since it uses as much as digits as its factorization.

26165089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 26165089 is about 5115.1822059434. The cubic root of 26165089 is about 296.8753042878.

The spelling of 26165089 in words is "twenty-six million, one hundred sixty-five thousand, eighty-nine".