18033049 has 2 divisors, whose sum is σ = 18033050. Its totient is φ = 18033048.

The previous prime is 18033047. The next prime is 18033061. The reversal of 18033049 is 94033081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12425625 + 5607424 = 3525^2 + 2368^2 .

It is a cyclic number.

It is not a de Polignac number, because 18033049 - 2¹ = 18033047 is a prime.

Together with 18033047, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18033047) 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, 9016524 + 9016525.

It is an arithmetic number, because the mean of its divisors is an integer number (9016525).

Almost surely, 2^18033049 is an apocalyptic number.

It is an amenable number.

18033049 is a deficient number, since it is larger than the sum of its proper divisors (1).

18033049 is an equidigital number, since it uses as much as digits as its factorization.

18033049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 18033049 is about 4246.5337629648. The cubic root of 18033049 is about 262.2344355832.

The spelling of 18033049 in words is "eighteen million, thirty-three thousand, forty-nine".