9000289 has 2 divisors, whose sum is σ = 9000290. Its totient is φ = 9000288.

The previous prime is 9000283. The next prime is 9000317. The reversal of 9000289 is 9820009.

It is a happy number.

9000289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (9000317) can be obtained adding 9000289 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 289 = 3000^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 9000289 - 2⁹ = 8999777 is a prime.

It is not a weakly prime, because it can be changed into another prime (9000283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500144 + 4500145.

It is an arithmetic number, because the mean of its divisors is an integer number (4500145).

Almost surely, 2^9000289 is an apocalyptic number.

It is an amenable number.

9000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

9000289 is an equidigital number, since it uses as much as digits as its factorization.

9000289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 9000289 is about 3000.0481662800. The cubic root of 9000289 is about 208.0106087415.

The spelling of 9000289 in words is "nine million, two hundred eighty-nine", and thus it is an aban number.