306006089 has 2 divisors, whose sum is σ = 306006090. Its totient is φ = 306006088.

The previous prime is 306006079. The next prime is 306006101. The reversal of 306006089 is 980600603.

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., 225150025 + 80856064 = 15005^2 + 8992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306006089 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (306006079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153003044 + 153003045.

It is an arithmetic number, because the mean of its divisors is an integer number (153003045).

Almost surely, 2^306006089 is an apocalyptic number.

It is an amenable number.

306006089 is a deficient number, since it is larger than the sum of its proper divisors (1).

306006089 is an equidigital number, since it uses as much as digits as its factorization.

306006089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 306006089 is about 17493.0297261509. The cubic root of 306006089 is about 673.8708797378.

The spelling of 306006089 in words is "three hundred six million, six thousand, eighty-nine".