26018089 has 2 divisors, whose sum is σ = 26018090. Its totient is φ = 26018088.

The previous prime is 26018077. The next prime is 26018117. The reversal of 26018089 is 98081062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16064064 + 9954025 = 4008^2 + 3155^2 .

It is a cyclic number.

It is not a de Polignac number, because 26018089 - 2⁷ = 26017961 is a prime.

It is not a weakly prime, because it can be changed into another prime (26018009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13009044 + 13009045.

It is an arithmetic number, because the mean of its divisors is an integer number (13009045).

Almost surely, 2^26018089 is an apocalyptic number.

It is an amenable number.

26018089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26018089 is an equidigital number, since it uses as much as digits as its factorization.

26018089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 26018089 is about 5100.7929775673. The cubic root of 26018089 is about 296.3182942362.

The spelling of 26018089 in words is "twenty-six million, eighteen thousand, eighty-nine".