6506089 has 2 divisors, whose sum is σ = 6506090. Its totient is φ = 6506088.

The previous prime is 6506057. The next prime is 6506099. The reversal of 6506089 is 9806056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6416089 + 90000 = 2533^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 6506089 - 2⁵ = 6506057 is a prime.

6506089 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6506039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3253044 + 3253045.

It is an arithmetic number, because the mean of its divisors is an integer number (3253045).

Almost surely, 2^6506089 is an apocalyptic number.

It is an amenable number.

6506089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6506089 is an equidigital number, since it uses as much as digits as its factorization.

6506089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 6506089 is about 2550.7036284131. The cubic root of 6506089 is about 186.6838146803.

The spelling of 6506089 in words is "six million, five hundred six thousand, eighty-nine".