213044033 has 2 divisors, whose sum is σ = 213044034. Its totient is φ = 213044032.

The previous prime is 213044021. The next prime is 213044053. The reversal of 213044033 is 330440312.

It is an a-pointer prime, because the next prime (213044053) can be obtained adding 213044033 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202435984 + 10608049 = 14228^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 213044033 - 2⁸ = 213043777 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 213043996 and 213044014.

It is not a weakly prime, because it can be changed into another prime (213044053) 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, 106522016 + 106522017.

It is an arithmetic number, because the mean of its divisors is an integer number (106522017).

Almost surely, 2^213044033 is an apocalyptic number.

It is an amenable number.

213044033 is a deficient number, since it is larger than the sum of its proper divisors (1).

213044033 is an equidigital number, since it uses as much as digits as its factorization.

213044033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 213044033 is about 14596.0279870929. The cubic root of 213044033 is about 597.2504123794.

Adding to 213044033 its reverse (330440312), we get a palindrome (543484345).

The spelling of 213044033 in words is "two hundred thirteen million, forty-four thousand, thirty-three".