33663252 has 24 divisors (see below), whose sum is σ = 89768896. Its totient is φ = 9618048.

The previous prime is 33663251. The next prime is 33663257. The reversal of 33663252 is 25236633.

It is a super-2 number, since 2×33663252² = 2266429070431008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33663251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200293 + ... + 200460.

Almost surely, 2^33663252 is an apocalyptic number.

It is an amenable number.

33663252 is an abundant number, since it is smaller than the sum of its proper divisors (56105644).

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

33663252 is a wasteful number, since it uses less digits than its factorization.

33663252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400767 (or 400765 counting only the distinct ones).

The product of its digits is 19440, while the sum is 30.

The square root of 33663252 is about 5802.0041365032. The cubic root of 33663252 is about 322.8880875732. Note that the first 3 decimals are identical.

Adding to 33663252 its reverse (25236633), we get a palindrome (58899885).

The spelling of 33663252 in words is "thirty-three million, six hundred sixty-three thousand, two hundred fifty-two".