16213033 has 2 divisors, whose sum is σ = 16213034. Its totient is φ = 16213032.

The previous prime is 16213027. The next prime is 16213037. The reversal of 16213033 is 33031261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13741849 + 2471184 = 3707^2 + 1572^2 .

It is a cyclic number.

It is not a de Polignac number, because 16213033 - 2¹³ = 16204841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16213033.

It is not a weakly prime, because it can be changed into another prime (16213037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8106516 + 8106517.

It is an arithmetic number, because the mean of its divisors is an integer number (8106517).

Almost surely, 2^16213033 is an apocalyptic number.

It is an amenable number.

16213033 is a deficient number, since it is larger than the sum of its proper divisors (1).

16213033 is an equidigital number, since it uses as much as digits as its factorization.

16213033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 16213033 is about 4026.5410714408. The cubic root of 16213033 is about 253.0976360807.

Adding to 16213033 its reverse (33031261), we get a palindrome (49244294).

The spelling of 16213033 in words is "sixteen million, two hundred thirteen thousand, thirty-three".