33104243 has 6 divisors (see below), whose sum is σ = 33331716. Its totient is φ = 32878292.

The previous prime is 33104237. The next prime is 33104263. The reversal of 33104243 is 34240133.

It is not a de Polignac number, because 33104243 - 2¹⁰ = 33103219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33104263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27296 + ... + 28482.

It is an arithmetic number, because the mean of its divisors is an integer number (5555286).

Almost surely, 2^33104243 is an apocalyptic number.

33104243 is a deficient number, since it is larger than the sum of its proper divisors (227473).

33104243 is an equidigital number, since it uses as much as digits as its factorization.

33104243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521 (or 1354 counting only the distinct ones).

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

The square root of 33104243 is about 5753.6286811020. The cubic root of 33104243 is about 321.0908184006.

Adding to 33104243 its reverse (34240133), we get a palindrome (67344376).

The spelling of 33104243 in words is "thirty-three million, one hundred four thousand, two hundred forty-three".