26499089 has 2 divisors, whose sum is σ = 26499090. Its totient is φ = 26499088.

The previous prime is 26499047. The next prime is 26499097. The reversal of 26499089 is 98099462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15054400 + 11444689 = 3880^2 + 3383^2 .

It is a cyclic number.

It is not a de Polignac number, because 26499089 - 2¹⁶ = 26433553 is a prime.

It is not a weakly prime, because it can be changed into another prime (26499019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13249544 + 13249545.

It is an arithmetic number, because the mean of its divisors is an integer number (13249545).

Almost surely, 2^26499089 is an apocalyptic number.

It is an amenable number.

26499089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26499089 is an equidigital number, since it uses as much as digits as its factorization.

26499089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 26499089 is about 5147.7265855910. The cubic root of 26499089 is about 298.1331814651.

The spelling of 26499089 in words is "twenty-six million, four hundred ninety-nine thousand, eighty-nine".