18041033 has 2 divisors, whose sum is σ = 18041034. Its totient is φ = 18041032.

The previous prime is 18040973. The next prime is 18041053. The reversal of 18041033 is 33014081.

It is a happy number.

It is an a-pointer prime, because the next prime (18041053) can be obtained adding 18041033 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17280649 + 760384 = 4157^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 18041033 - 2⁶ = 18040969 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18040996 and 18041014.

It is not a weakly prime, because it can be changed into another prime (18041053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9020516 + 9020517.

It is an arithmetic number, because the mean of its divisors is an integer number (9020517).

Almost surely, 2^18041033 is an apocalyptic number.

It is an amenable number.

18041033 is a deficient number, since it is larger than the sum of its proper divisors (1).

18041033 is an equidigital number, since it uses as much as digits as its factorization.

18041033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 18041033 is about 4247.4737197539. The cubic root of 18041033 is about 262.2731306632.

The spelling of 18041033 in words is "eighteen million, forty-one thousand, thirty-three".