26086009 has 2 divisors, whose sum is σ = 26086010. Its totient is φ = 26086008.

The previous prime is 26086003. The next prime is 26086013. The reversal of 26086009 is 90068062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13104400 + 12981609 = 3620^2 + 3603^2 .

It is a cyclic number.

It is not a de Polignac number, because 26086009 - 2³ = 26086001 is a prime.

It is not a weakly prime, because it can be changed into another prime (26086001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13043004 + 13043005.

It is an arithmetic number, because the mean of its divisors is an integer number (13043005).

Almost surely, 2^26086009 is an apocalyptic number.

It is an amenable number.

26086009 is a deficient number, since it is larger than the sum of its proper divisors (1).

26086009 is an equidigital number, since it uses as much as digits as its factorization.

26086009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 26086009 is about 5107.4464265423. The cubic root of 26086009 is about 296.5759156553.

The spelling of 26086009 in words is "twenty-six million, eighty-six thousand, nine".