18006353 has 2 divisors, whose sum is σ = 18006354. Its totient is φ = 18006352.

The previous prime is 18006347. The next prime is 18006371. The reversal of 18006353 is 35360081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17581249 + 425104 = 4193^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 18006353 - 2⁴ = 18006337 is a prime.

It is not a weakly prime, because it can be changed into another prime (18006323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9003176 + 9003177.

It is an arithmetic number, because the mean of its divisors is an integer number (9003177).

Almost surely, 2^18006353 is an apocalyptic number.

It is an amenable number.

18006353 is a deficient number, since it is larger than the sum of its proper divisors (1).

18006353 is an equidigital number, since it uses as much as digits as its factorization.

18006353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 18006353 is about 4243.3893292980. The cubic root of 18006353 is about 262.1049683314.

The spelling of 18006353 in words is "eighteen million, six thousand, three hundred fifty-three".