9006539 has 4 divisors (see below), whose sum is σ = 9015000. Its totient is φ = 8998080.

The previous prime is 9006509. The next prime is 9006581. The reversal of 9006539 is 9356009.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9006539 is a prime.

It is a super-2 number, since 2×9006539² = 162235489517042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9006509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357 + ... + 4854.

It is an arithmetic number, because the mean of its divisors is an integer number (2253750).

Almost surely, 2^9006539 is an apocalyptic number.

9006539 is a deficient number, since it is larger than the sum of its proper divisors (8461).

9006539 is a wasteful number, since it uses less digits than its factorization.

9006539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 9006539 is about 3001.0896354491. The cubic root of 9006539 is about 208.0587466582.

The spelling of 9006539 in words is "nine million, six thousand, five hundred thirty-nine".