33132021 has 8 divisors (see below), whose sum is σ = 47574240. Its totient is φ = 20388912.

The previous prime is 33132019. The next prime is 33132053. The reversal of 33132021 is 12023133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33132021 - 2¹ = 33132019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33132091) 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 7 ways as a sum of consecutive naturals, for example, 424731 + ... + 424808.

It is an arithmetic number, because the mean of its divisors is an integer number (5946780).

Almost surely, 2^33132021 is an apocalyptic number.

It is an amenable number.

33132021 is a deficient number, since it is larger than the sum of its proper divisors (14442219).

33132021 is a wasteful number, since it uses less digits than its factorization.

33132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849555.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 33132021 is about 5756.0421297972. The cubic root of 33132021 is about 321.1806031368.

Adding to 33132021 its reverse (12023133), we get a palindrome (45155154).

The spelling of 33132021 in words is "thirty-three million, one hundred thirty-two thousand, twenty-one".