33043013 has 2 divisors, whose sum is σ = 33043014. Its totient is φ = 33043012.

The previous prime is 33042983. The next prime is 33043051. The reversal of 33043013 is 31034033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31561924 + 1481089 = 5618^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 33043013 - 2⁶ = 33042949 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33042982 and 33043000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33043063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16521506 + 16521507.

It is an arithmetic number, because the mean of its divisors is an integer number (16521507).

Almost surely, 2^33043013 is an apocalyptic number.

It is an amenable number.

33043013 is a deficient number, since it is larger than the sum of its proper divisors (1).

33043013 is an equidigital number, since it uses as much as digits as its factorization.

33043013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 33043013 is about 5748.3052285000. The cubic root of 33043013 is about 320.8927317621.

Adding to 33043013 its reverse (31034033), we get a palindrome (64077046).

The spelling of 33043013 in words is "thirty-three million, forty-three thousand, thirteen".