33530543225 has 12 divisors (see below), whose sum is σ = 42544802256. Its totient is φ = 26200609680.

The previous prime is 33530543219. The next prime is 33530543239. The reversal of 33530543225 is 52234503533.

It is not a de Polignac number, because 33530543225 - 2³⁰ = 32456801401 is a prime.

It is a super-2 number, since 2×33530543225² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15594527 + ... + 15596676.

It is an arithmetic number, because the mean of its divisors is an integer number (3545400188).

Almost surely, 2^33530543225 is an apocalyptic number.

It is an amenable number.

33530543225 is a deficient number, since it is larger than the sum of its proper divisors (9014259031).

33530543225 is a wasteful number, since it uses less digits than its factorization.

33530543225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31191256 (or 31191251 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 35.

The spelling of 33530543225 in words is "thirty-three billion, five hundred thirty million, five hundred forty-three thousand, two hundred twenty-five".