18284059 has 2 divisors, whose sum is σ = 18284060. Its totient is φ = 18284058.

The previous prime is 18284039. The next prime is 18284093. The reversal of 18284059 is 95048281.

It is a weak prime.

It is an emirp because it is prime and its reverse (95048281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18284059 - 2⁷ = 18283931 is a prime.

It is not a weakly prime, because it can be changed into another prime (18284009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9142029 + 9142030.

It is an arithmetic number, because the mean of its divisors is an integer number (9142030).

Almost surely, 2^18284059 is an apocalyptic number.

18284059 is a deficient number, since it is larger than the sum of its proper divisors (1).

18284059 is an equidigital number, since it uses as much as digits as its factorization.

18284059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 18284059 is about 4275.9863189678. The cubic root of 18284059 is about 263.4455525912.

The spelling of 18284059 in words is "eighteen million, two hundred eighty-four thousand, fifty-nine".