9066509 has 4 divisors (see below), whose sum is σ = 9072540. Its totient is φ = 9060480.

The previous prime is 9066503. The next prime is 9066557. The reversal of 9066509 is 9056609.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9056609 = 61 ⋅148469.

It can be written as a sum of positive squares in 2 ways, for example, as 6360484 + 2706025 = 2522^2 + 1645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9066509 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9066503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277 + ... + 4445.

It is an arithmetic number, because the mean of its divisors is an integer number (2268135).

Almost surely, 2^9066509 is an apocalyptic number.

It is an amenable number.

9066509 is a deficient number, since it is larger than the sum of its proper divisors (6031).

9066509 is a wasteful number, since it uses less digits than its factorization.

9066509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 9066509 is about 3011.0644297324. The cubic root of 9066509 is about 208.5195115801.

The spelling of 9066509 in words is "nine million, sixty-six thousand, five hundred nine".