18364033 has 2 divisors, whose sum is σ = 18364034. Its totient is φ = 18364032.

The previous prime is 18364019. The next prime is 18364037. The reversal of 18364033 is 33046381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12902464 + 5461569 = 3592^2 + 2337^2 .

It is a cyclic number.

It is not a de Polignac number, because 18364033 - 2⁵ = 18364001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18363992 and 18364010.

It is not a weakly prime, because it can be changed into another prime (18364037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9182016 + 9182017.

It is an arithmetic number, because the mean of its divisors is an integer number (9182017).

Almost surely, 2^18364033 is an apocalyptic number.

It is an amenable number.

18364033 is a deficient number, since it is larger than the sum of its proper divisors (1).

18364033 is an equidigital number, since it uses as much as digits as its factorization.

18364033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 18364033 is about 4285.3276420829. The cubic root of 18364033 is about 263.8290952705.

The spelling of 18364033 in words is "eighteen million, three hundred sixty-four thousand, thirty-three".