8535009 has 16 divisors (see below), whose sum is σ = 13690880. Its totient is φ = 4620240.

The previous prime is 8534993. The next prime is 8535029. The reversal of 8535009 is 9005358.

It is not a de Polignac number, because 8535009 - 2⁴ = 8534993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8535029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10297 + ... + 11094.

It is an arithmetic number, because the mean of its divisors is an integer number (855680).

Almost surely, 2^8535009 is an apocalyptic number.

It is an amenable number.

8535009 is a deficient number, since it is larger than the sum of its proper divisors (5155871).

8535009 is a wasteful number, since it uses less digits than its factorization.

8535009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21420.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 8535009 is about 2921.4737719172. The cubic root of 8535009 is about 204.3625569209.

The spelling of 8535009 in words is "eight million, five hundred thirty-five thousand, nine".