33331252 has 12 divisors (see below), whose sum is σ = 58548420. Its totient is φ = 16603136.

The previous prime is 33331241. The next prime is 33331267. The reversal of 33331252 is 25213333.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20757136 + 12574116 = 4556^2 + 3546^2 .

It is a super-2 number, since 2×33331252² = 2221944719775008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 14413 + ... + 16564.

It is an arithmetic number, because the mean of its divisors is an integer number (4879035).

Almost surely, 2^33331252 is an apocalyptic number.

It is an amenable number.

33331252 is a deficient number, since it is larger than the sum of its proper divisors (25217168).

33331252 is a wasteful number, since it uses less digits than its factorization.

33331252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31250 (or 31248 counting only the distinct ones).

The product of its digits is 1620, while the sum is 22.

The square root of 33331252 is about 5773.3224403284. The cubic root of 33331252 is about 321.8230963783.

Adding to 33331252 its reverse (25213333), we get a palindrome (58544585).

The spelling of 33331252 in words is "thirty-three million, three hundred thirty-one thousand, two hundred fifty-two".