26504089 has 2 divisors, whose sum is σ = 26504090. Its totient is φ = 26504088.

The previous prime is 26504083. The next prime is 26504129. The reversal of 26504089 is 98040562.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18619225 + 7884864 = 4315^2 + 2808^2 .

It is a cyclic number.

It is not a de Polignac number, because 26504089 - 2¹¹ = 26502041 is a prime.

It is not a weakly prime, because it can be changed into another prime (26504083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13252044 + 13252045.

It is an arithmetic number, because the mean of its divisors is an integer number (13252045).

Almost surely, 2^26504089 is an apocalyptic number.

It is an amenable number.

26504089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26504089 is an equidigital number, since it uses as much as digits as its factorization.

26504089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 26504089 is about 5148.2122139632. The cubic root of 26504089 is about 298.1519314451.

The spelling of 26504089 in words is "twenty-six million, five hundred four thousand, eighty-nine".