33041233 has 2 divisors, whose sum is σ = 33041234. Its totient is φ = 33041232.

The previous prime is 33041231. The next prime is 33041263. The reversal of 33041233 is 33214033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22724289 + 10316944 = 4767^2 + 3212^2 .

It is a cyclic number.

It is not a de Polignac number, because 33041233 - 2¹ = 33041231 is a prime.

Together with 33041231, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 33041233.

It is not a weakly prime, because it can be changed into another prime (33041231) 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, 16520616 + 16520617.

It is an arithmetic number, because the mean of its divisors is an integer number (16520617).

Almost surely, 2^33041233 is an apocalyptic number.

It is an amenable number.

33041233 is a deficient number, since it is larger than the sum of its proper divisors (1).

33041233 is an equidigital number, since it uses as much as digits as its factorization.

33041233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 33041233 is about 5748.1503981716. The cubic root of 33041233 is about 320.8869695826.

Adding to 33041233 its reverse (33214033), we get a palindrome (66255266).

The spelling of 33041233 in words is "thirty-three million, forty-one thousand, two hundred thirty-three".