18036033 has 4 divisors (see below), whose sum is σ = 24048048. Its totient is φ = 12024020.

The previous prime is 18036013. The next prime is 18036047. The reversal of 18036033 is 33063081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18036033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18035994 and 18036012.

It is not an unprimeable number, because it can be changed into a prime (18036013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3006003 + ... + 3006008.

It is an arithmetic number, because the mean of its divisors is an integer number (6012012).

Almost surely, 2^18036033 is an apocalyptic number.

It is an amenable number.

18036033 is a deficient number, since it is larger than the sum of its proper divisors (6012015).

18036033 is an equidigital number, since it uses as much as digits as its factorization.

18036033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012014.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 18036033 is about 4246.8850938070. The cubic root of 18036033 is about 262.2488991088.

The spelling of 18036033 in words is "eighteen million, thirty-six thousand, thirty-three".