33213253250 has 16 divisors (see below), whose sum is σ = 62175210552. Its totient is φ = 13285301200.

The previous prime is 33213253237. The next prime is 33213253273. The reversal of 33213253250 is 5235231233.

It can be written as a sum of positive squares in 4 ways, for example, as 11976894721 + 21236358529 = 109439^2 + 145727^2 .

It is a super-2 number, since 2×33213253250² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66426257 + ... + 66426756.

Almost surely, 2^33213253250 is an apocalyptic number.

33213253250 is a deficient number, since it is larger than the sum of its proper divisors (28961957302).

33213253250 is a wasteful number, since it uses less digits than its factorization.

33213253250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132853030 (or 132853020 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 33213253250 its reverse (5235231233), we get a palindrome (38448484483).

The spelling of 33213253250 in words is "thirty-three billion, two hundred thirteen million, two hundred fifty-three thousand, two hundred fifty".