8533009 has 2 divisors, whose sum is σ = 8533010. Its totient is φ = 8533008.

The previous prime is 8533001. The next prime is 8533061. The reversal of 8533009 is 9003358.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 804609 = 2780^2 + 897^2 .

It is a cyclic number.

It is not a de Polignac number, because 8533009 - 2³ = 8533001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8533001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4266504 + 4266505.

It is an arithmetic number, because the mean of its divisors is an integer number (4266505).

Almost surely, 2^8533009 is an apocalyptic number.

It is an amenable number.

8533009 is a deficient number, since it is larger than the sum of its proper divisors (1).

8533009 is an equidigital number, since it uses as much as digits as its factorization.

8533009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 8533009 is about 2921.1314588700. The cubic root of 8533009 is about 204.3465929837.

The spelling of 8533009 in words is "eight million, five hundred thirty-three thousand, nine".