33133441 has 4 divisors (see below), whose sum is σ = 36145584. Its totient is φ = 30121300.

The previous prime is 33133421. The next prime is 33133481. The reversal of 33133441 is 14433133.

It is a happy number.

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.

It is not a de Polignac number, because 33133441 - 2¹¹ = 33131393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33133421) 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, 1506055 + ... + 1506076.

It is an arithmetic number, because the mean of its divisors is an integer number (9036396).

Almost surely, 2^33133441 is an apocalyptic number.

It is an amenable number.

33133441 is a deficient number, since it is larger than the sum of its proper divisors (3012143).

33133441 is a wasteful number, since it uses less digits than its factorization.

33133441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012142.

The product of its digits is 1296, while the sum is 22.

The square root of 33133441 is about 5756.1654771210. The cubic root of 33133441 is about 321.1851915473.

Adding to 33133441 its reverse (14433133), we get a palindrome (47566574).

The spelling of 33133441 in words is "thirty-three million, one hundred thirty-three thousand, four hundred forty-one".