32525200021 has 2 divisors, whose sum is σ = 32525200022. Its totient is φ = 32525200020.

The previous prime is 32525199991. The next prime is 32525200069. The reversal of 32525200021 is 12000252523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30768668100 + 1756531921 = 175410^2 + 41911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32525200021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32525199965 and 32525200001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32525201021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16262600010 + 16262600011.

It is an arithmetic number, because the mean of its divisors is an integer number (16262600011).

Almost surely, 2^32525200021 is an apocalyptic number.

It is an amenable number.

32525200021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32525200021 is an equidigital number, since it uses as much as digits as its factorization.

32525200021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 32525200021 its reverse (12000252523), we get a palindrome (44525452544).

The spelling of 32525200021 in words is "thirty-two billion, five hundred twenty-five million, two hundred thousand, twenty-one".