18033061 has 2 divisors, whose sum is σ = 18033062. Its totient is φ = 18033060.

The previous prime is 18033049. The next prime is 18033079. The reversal of 18033061 is 16033081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15752961 + 2280100 = 3969^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 18033061 - 2⁷ = 18032933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18033011) 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, 9016530 + 9016531.

It is an arithmetic number, because the mean of its divisors is an integer number (9016531).

Almost surely, 2^18033061 is an apocalyptic number.

It is an amenable number.

18033061 is a deficient number, since it is larger than the sum of its proper divisors (1).

18033061 is an equidigital number, since it uses as much as digits as its factorization.

18033061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 18033061 is about 4246.5351758816. The cubic root of 18033061 is about 262.2344937507.

The spelling of 18033061 in words is "eighteen million, thirty-three thousand, sixty-one".