32525278021 has 2 divisors, whose sum is σ = 32525278022. Its totient is φ = 32525278020.

The previous prime is 32525277989. The next prime is 32525278039. The reversal of 32525278021 is 12087252523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18032729796 + 14492548225 = 134286^2 + 120385^2 .

It is an emirp because it is prime and its reverse (12087252523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32525278021 - 2⁵ = 32525277989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32525278081) by changing a digit.

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 as a sum of consecutive naturals, namely, 16262639010 + 16262639011.

It is an arithmetic number, because the mean of its divisors is an integer number (16262639011).

Almost surely, 2^32525278021 is an apocalyptic number.

It is an amenable number.

32525278021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32525278021 is an equidigital number, since it uses as much as digits as its factorization.

32525278021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 32525278021 in words is "thirty-two billion, five hundred twenty-five million, two hundred seventy-eight thousand, twenty-one".