33125320 has 16 divisors (see below), whose sum is σ = 74532060. Its totient is φ = 13250112.

The previous prime is 33125311. The next prime is 33125357. The reversal of 33125320 is 2352133.

It can be written as a sum of positive squares in 2 ways, for example, as 27899524 + 5225796 = 5282^2 + 2286^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414027 + ... + 414106.

Almost surely, 2^33125320 is an apocalyptic number.

It is an amenable number.

33125320 is an abundant number, since it is smaller than the sum of its proper divisors (41406740).

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

33125320 is a wasteful number, since it uses less digits than its factorization.

33125320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828144 (or 828140 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 33125320 is about 5755.4600163671. The cubic root of 33125320 is about 321.1589485937.

Adding to 33125320 its reverse (2352133), we get a palindrome (35477453).

It can be divided in two parts, 331 and 25320, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 33125320 in words is "thirty-three million, one hundred twenty-five thousand, three hundred twenty".