16804033 has 2 divisors, whose sum is σ = 16804034. Its totient is φ = 16804032.

The previous prime is 16804027. The next prime is 16804057. The reversal of 16804033 is 33040861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15147664 + 1656369 = 3892^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 16804033 - 2¹⁷ = 16672961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16803989 and 16804007.

It is not a weakly prime, because it can be changed into another prime (16804003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8402016 + 8402017.

It is an arithmetic number, because the mean of its divisors is an integer number (8402017).

Almost surely, 2^16804033 is an apocalyptic number.

It is an amenable number.

16804033 is a deficient number, since it is larger than the sum of its proper divisors (1).

16804033 is an equidigital number, since it uses as much as digits as its factorization.

16804033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 16804033 is about 4099.2722524858. The cubic root of 16804033 is about 256.1363257061.

Adding to 16804033 its reverse (33040861), we get a palindrome (49844894).

The spelling of 16804033 in words is "sixteen million, eight hundred four thousand, thirty-three".