33321252 has 24 divisors (see below), whose sum is σ = 78736000. Its totient is φ = 10966176.

The previous prime is 33321251. The next prime is 33321283. The reversal of 33321252 is 25212333.

It is a super-2 number, since 2×33321252² = 2220611669695008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33321251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16627 + ... + 18522.

Almost surely, 2^33321252 is an apocalyptic number.

It is an amenable number.

33321252 is an abundant number, since it is smaller than the sum of its proper divisors (45414748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33321252 is a wasteful number, since it uses less digits than its factorization.

33321252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35235 (or 35233 counting only the distinct ones).

The product of its digits is 1080, while the sum is 21.

The square root of 33321252 is about 5772.4563229183. The cubic root of 33321252 is about 321.7909088399.

Adding to 33321252 its reverse (25212333), we get a palindrome (58533585).

The spelling of 33321252 in words is "thirty-three million, three hundred twenty-one thousand, two hundred fifty-two".