32245235021 has 2 divisors, whose sum is σ = 32245235022. Its totient is φ = 32245235020.

The previous prime is 32245234999. The next prime is 32245235039. The reversal of 32245235021 is 12053254223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31858680100 + 386554921 = 178490^2 + 19661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32245235021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32245235051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16122617510 + 16122617511.

It is an arithmetic number, because the mean of its divisors is an integer number (16122617511).

Almost surely, 2^32245235021 is an apocalyptic number.

It is an amenable number.

32245235021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32245235021 is an equidigital number, since it uses as much as digits as its factorization.

32245235021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 32245235021 its reverse (12053254223), we get a palindrome (44298489244).

The spelling of 32245235021 in words is "thirty-two billion, two hundred forty-five million, two hundred thirty-five thousand, twenty-one".