8548009 has 2 divisors, whose sum is σ = 8548010. Its totient is φ = 8548008.

The previous prime is 8548003. The next prime is 8548039. The reversal of 8548009 is 9008458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 21609 = 2920^2 + 147^2 .

It is a cyclic number.

It is not a de Polignac number, because 8548009 - 2¹¹ = 8545961 is a prime.

It is not a weakly prime, because it can be changed into another prime (8548003) 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 as a sum of consecutive naturals, namely, 4274004 + 4274005.

It is an arithmetic number, because the mean of its divisors is an integer number (4274005).

Almost surely, 2^8548009 is an apocalyptic number.

It is an amenable number.

8548009 is a deficient number, since it is larger than the sum of its proper divisors (1).

8548009 is an equidigital number, since it uses as much as digits as its factorization.

8548009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8548009 is about 2923.6978298039. The cubic root of 8548009 is about 204.4662617728.

The spelling of 8548009 in words is "eight million, five hundred forty-eight thousand, nine".