33130452 has 48 divisors (see below), whose sum is σ = 81804800. Its totient is φ = 10406880.

The previous prime is 33130451. The next prime is 33130453. The reversal of 33130452 is 25403133.

It is an interprime number because it is at equal distance from previous prime (33130451) and next prime (33130453).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75249 + ... + 75687.

Almost surely, 2^33130452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33130452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40902400).

33130452 is an abundant number, since it is smaller than the sum of its proper divisors (48674348).

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

33130452 is a wasteful number, since it uses less digits than its factorization.

33130452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 794 counting only the distinct ones).

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

The square root of 33130452 is about 5755.9058366169. The cubic root of 33130452 is about 321.1755331139.

Adding to 33130452 its reverse (25403133), we get a palindrome (58533585).

The spelling of 33130452 in words is "thirty-three million, one hundred thirty thousand, four hundred fifty-two".