8026289 has 2 divisors, whose sum is σ = 8026290. Its totient is φ = 8026288.

The previous prime is 8026253. The next prime is 8026297. The reversal of 8026289 is 9826208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8025889 + 400 = 2833^2 + 20^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8026289 is a prime.

It is a super-2 number, since 2×8026289² = 128842630223042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8026789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4013144 + 4013145.

It is an arithmetic number, because the mean of its divisors is an integer number (4013145).

Almost surely, 2^8026289 is an apocalyptic number.

It is an amenable number.

8026289 is a deficient number, since it is larger than the sum of its proper divisors (1).

8026289 is an equidigital number, since it uses as much as digits as its factorization.

8026289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 8026289 is about 2833.0705956612. The cubic root of 8026289 is about 200.2188354679.

The spelling of 8026289 in words is "eight million, twenty-six thousand, two hundred eighty-nine".