104565289 has 2 divisors, whose sum is σ = 104565290. Its totient is φ = 104565288.

The previous prime is 104565281. The next prime is 104565319. The reversal of 104565289 is 982565401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103938025 + 627264 = 10195^2 + 792^2 .

It is a cyclic number.

It is not a de Polignac number, because 104565289 - 2³ = 104565281 is a prime.

It is not a weakly prime, because it can be changed into another prime (104565281) 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, 52282644 + 52282645.

It is an arithmetic number, because the mean of its divisors is an integer number (52282645).

Almost surely, 2^104565289 is an apocalyptic number.

It is an amenable number.

104565289 is a deficient number, since it is larger than the sum of its proper divisors (1).

104565289 is an equidigital number, since it uses as much as digits as its factorization.

104565289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 104565289 is about 10225.7170408730. The cubic root of 104565289 is about 471.1174392325.

The spelling of 104565289 in words is "one hundred four million, five hundred sixty-five thousand, two hundred eighty-nine".