33130033 has 4 divisors (see below), whose sum is σ = 33144048. Its totient is φ = 33116020.

The previous prime is 33130003. The next prime is 33130039. The reversal of 33130033 is 33003133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33003133 = 19 ⋅1737007.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33130033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33129989 and 33130016.

It is not an unprimeable number, because it can be changed into a prime (33130039) 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 in 3 ways as a sum of consecutive naturals, for example, 2491 + ... + 8512.

It is an arithmetic number, because the mean of its divisors is an integer number (8286012).

Almost surely, 2^33130033 is an apocalyptic number.

It is an amenable number.

33130033 is a deficient number, since it is larger than the sum of its proper divisors (14015).

33130033 is a wasteful number, since it uses less digits than its factorization.

33130033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014.

The product of its (nonzero) digits is 243, while the sum is 16.

The square root of 33130033 is about 5755.8694391030. The cubic root of 33130033 is about 321.1741791418.

Adding to 33130033 its reverse (33003133), we get a palindrome (66133166).

The spelling of 33130033 in words is "thirty-three million, one hundred thirty thousand, thirty-three".