26015089 has 2 divisors, whose sum is σ = 26015090. Its totient is φ = 26015088.

The previous prime is 26015069. The next prime is 26015113. The reversal of 26015089 is 98051062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13198689 + 12816400 = 3633^2 + 3580^2 .

It is a cyclic number.

It is not a de Polignac number, because 26015089 - 2¹⁵ = 25982321 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26015089.

It is not a weakly prime, because it can be changed into another prime (26015029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13007544 + 13007545.

It is an arithmetic number, because the mean of its divisors is an integer number (13007545).

Almost surely, 2^26015089 is an apocalyptic number.

It is an amenable number.

26015089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26015089 is an equidigital number, since it uses as much as digits as its factorization.

26015089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 26015089 is about 5100.4988971668. The cubic root of 26015089 is about 296.3069048646.

The spelling of 26015089 in words is "twenty-six million, fifteen thousand, eighty-nine".