8066549 has 2 divisors, whose sum is σ = 8066550. Its totient is φ = 8066548.

The previous prime is 8066543. The next prime is 8066557. The reversal of 8066549 is 9456608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 964324 = 2665^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 8066549 - 2⁴ = 8066533 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8066543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4033274 + 4033275.

It is an arithmetic number, because the mean of its divisors is an integer number (4033275).

Almost surely, 2^8066549 is an apocalyptic number.

It is an amenable number.

8066549 is a deficient number, since it is larger than the sum of its proper divisors (1).

8066549 is an equidigital number, since it uses as much as digits as its factorization.

8066549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 8066549 is about 2840.1670725505. The cubic root of 8066549 is about 200.5530443004.

The spelling of 8066549 in words is "eight million, sixty-six thousand, five hundred forty-nine".