32013531225 has 36 divisors (see below), whose sum is σ = 61750550316. Its totient is φ = 15760506240.

The previous prime is 32013531191. The next prime is 32013531229. The reversal of 32013531225 is 52213531023.

It is a happy number.

32013531225 is a `hidden beast` number, since 320 + 1 + 3 + 5 + 312 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3669451776 + 28344079449 = 60576^2 + 168357^2 .

It is not a de Polignac number, because 32013531225 - 2⁶ = 32013531161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32013531229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5469474 + ... + 5475323.

Almost surely, 2^32013531225 is an apocalyptic number.

It is an amenable number.

32013531225 is a deficient number, since it is larger than the sum of its proper divisors (29737019091).

32013531225 is a wasteful number, since it uses less digits than its factorization.

32013531225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10944826 (or 10944818 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 32013531225 in words is "thirty-two billion, thirteen million, five hundred thirty-one thousand, two hundred twenty-five".