33125042 has 4 divisors (see below), whose sum is σ = 49687566. Its totient is φ = 16562520.

The previous prime is 33125041. The next prime is 33125063. The reversal of 33125042 is 24052133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24052133 = 7 ⋅3436019.

It can be written as a sum of positive squares in only one way, i.e., 32821441 + 303601 = 5729^2 + 551^2 .

It is not an unprimeable number, because it can be changed into a prime (33125041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8281259 + ... + 8281262.

Almost surely, 2^33125042 is an apocalyptic number.

33125042 is a deficient number, since it is larger than the sum of its proper divisors (16562524).

33125042 is a wasteful number, since it uses less digits than its factorization.

33125042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16562523.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 33125042 is about 5755.4358653364. The cubic root of 33125042 is about 321.1580501627.

Adding to 33125042 its reverse (24052133), we get a palindrome (57177175).

The spelling of 33125042 in words is "thirty-three million, one hundred twenty-five thousand, forty-two".