8061289 has 2 divisors, whose sum is σ = 8061290. Its totient is φ = 8061288.

The previous prime is 8061223. The next prime is 8061323. The reversal of 8061289 is 9821608.

It is an a-pointer prime, because the next prime (8061323) can be obtained adding 8061289 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5760000 + 2301289 = 2400^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 8061289 - 2¹⁵ = 8028521 is a prime.

It is not a weakly prime, because it can be changed into another prime (8065289) 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, 4030644 + 4030645.

It is an arithmetic number, because the mean of its divisors is an integer number (4030645).

Almost surely, 2^8061289 is an apocalyptic number.

It is an amenable number.

8061289 is a deficient number, since it is larger than the sum of its proper divisors (1).

8061289 is an equidigital number, since it uses as much as digits as its factorization.

8061289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 8061289 is about 2839.2409196826. The cubic root of 8061289 is about 200.5094429045.

The spelling of 8061289 in words is "eight million, sixty-one thousand, two hundred eighty-nine".