2132521632 has 72 divisors (see below), whose sum is σ = 6069900564. Its totient is φ = 710191104.

The previous prime is 2132521597. The next prime is 2132521669. The reversal of 2132521632 is 2361252312.

It is a happy number.

2132521632 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 5 + 21 + 632 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1408050576 + 724471056 = 37524^2 + 26916^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 2132521596 and 2132521605.

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 11 ways as a sum of consecutive naturals, for example, 392728 + ... + 398120.

Almost surely, 2^2132521632 is an apocalyptic number.

It is an amenable number.

2132521632 is an abundant number, since it is smaller than the sum of its proper divisors (3937378932).

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

2132521632 is a wasteful number, since it uses less digits than its factorization.

2132521632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6782 (or 6771 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2132521632 is about 46179.2337745008. The cubic root of 2132521632 is about 1287.1558902167.

Adding to 2132521632 its reverse (2361252312), we get a palindrome (4493773944).

The spelling of 2132521632 in words is "two billion, one hundred thirty-two million, five hundred twenty-one thousand, six hundred thirty-two".