41589809 has 2 divisors, whose sum is σ = 41589810. Its totient is φ = 41589808.

The previous prime is 41589797. The next prime is 41589829. The reversal of 41589809 is 90898514.

41589809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31528225 + 10061584 = 5615^2 + 3172^2 .

It is a cyclic number.

It is not a de Polignac number, because 41589809 - 2⁸ = 41589553 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 41589809.

It is not a weakly prime, because it can be changed into another prime (41589829) 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, 20794904 + 20794905.

It is an arithmetic number, because the mean of its divisors is an integer number (20794905).

Almost surely, 2^41589809 is an apocalyptic number.

It is an amenable number.

41589809 is a deficient number, since it is larger than the sum of its proper divisors (1).

41589809 is an equidigital number, since it uses as much as digits as its factorization.

41589809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 41589809 is about 6449.0161265111. The cubic root of 41589809 is about 346.4673454579.

The spelling of 41589809 in words is "forty-one million, five hundred eighty-nine thousand, eight hundred nine".