9045689 has 2 divisors, whose sum is σ = 9045690. Its totient is φ = 9045688.

The previous prime is 9045679. The next prime is 9045697. The reversal of 9045689 is 9865409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8761600 + 284089 = 2960^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 9045689 - 2²⁰ = 7997113 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 (9045679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4522844 + 4522845.

It is an arithmetic number, because the mean of its divisors is an integer number (4522845).

Almost surely, 2^9045689 is an apocalyptic number.

It is an amenable number.

9045689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9045689 is an equidigital number, since it uses as much as digits as its factorization.

9045689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 9045689 is about 3007.6051935053. The cubic root of 9045689 is about 208.3597770522.

The spelling of 9045689 in words is "nine million, forty-five thousand, six hundred eighty-nine".