33021125 has 8 divisors (see below), whose sum is σ = 41210520. Its totient is φ = 26416800.

The previous prime is 33021083. The next prime is 33021127. The reversal of 33021125 is 52112033.

It can be written as a sum of positive squares in 4 ways, for example, as 279841 + 32741284 = 529^2 + 5722^2 .

It is not a de Polignac number, because 33021125 - 2¹⁶ = 32955589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33021127) 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, 131960 + ... + 132209.

It is an arithmetic number, because the mean of its divisors is an integer number (5151315).

Almost surely, 2^33021125 is an apocalyptic number.

It is an amenable number.

33021125 is a deficient number, since it is larger than the sum of its proper divisors (8189395).

33021125 is an equidigital number, since it uses as much as digits as its factorization.

33021125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264184 (or 264174 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 33021125 is about 5746.4010476123. The cubic root of 33021125 is about 320.8218619987.

Adding to 33021125 its reverse (52112033), we get a palindrome (85133158).

The spelling of 33021125 in words is "thirty-three million, twenty-one thousand, one hundred twenty-five".