18055327 has 2 divisors, whose sum is σ = 18055328. Its totient is φ = 18055326.

The previous prime is 18055291. The next prime is 18055333. The reversal of 18055327 is 72355081.

It is a strong prime.

It is an emirp because it is prime and its reverse (72355081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18055327 - 2⁷ = 18055199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18055397) 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, 9027663 + 9027664.

It is an arithmetic number, because the mean of its divisors is an integer number (9027664).

Almost surely, 2^18055327 is an apocalyptic number.

18055327 is a deficient number, since it is larger than the sum of its proper divisors (1).

18055327 is an equidigital number, since it uses as much as digits as its factorization.

18055327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 18055327 is about 4249.1560338495. The cubic root of 18055327 is about 262.3423791456.

The spelling of 18055327 in words is "eighteen million, fifty-five thousand, three hundred twenty-seven".