33125943 has 4 divisors (see below), whose sum is σ = 44167928. Its totient is φ = 22083960.

The previous prime is 33125923. The next prime is 33125947. The reversal of 33125943 is 34952133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34952133 = 3 ⋅11650711.

It is not a de Polignac number, because 33125943 - 2¹⁰ = 33124919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33125943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33125947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520988 + ... + 5520993.

It is an arithmetic number, because the mean of its divisors is an integer number (11041982).

Almost surely, 2^33125943 is an apocalyptic number.

33125943 is a deficient number, since it is larger than the sum of its proper divisors (11041985).

33125943 is a wasteful number, since it uses less digits than its factorization.

33125943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041984.

The product of its digits is 9720, while the sum is 30.

The square root of 33125943 is about 5755.5141386326. The cubic root of 33125943 is about 321.1609619656.

The spelling of 33125943 in words is "thirty-three million, one hundred twenty-five thousand, nine hundred forty-three".