32420330521 has 2 divisors, whose sum is σ = 32420330522. Its totient is φ = 32420330520.

The previous prime is 32420330507. The next prime is 32420330543. The reversal of 32420330521 is 12503302423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17953052121 + 14467278400 = 133989^2 + 120280^2 .

It is a cyclic number.

It is not a de Polignac number, because 32420330521 - 2⁵ = 32420330489 is a prime.

It is not a weakly prime, because it can be changed into another prime (32420331521) 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 as a sum of consecutive naturals, namely, 16210165260 + 16210165261.

It is an arithmetic number, because the mean of its divisors is an integer number (16210165261).

Almost surely, 2^32420330521 is an apocalyptic number.

It is an amenable number.

32420330521 is a deficient number, since it is larger than the sum of its proper divisors (1).

32420330521 is an equidigital number, since it uses as much as digits as its factorization.

32420330521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 32420330521 its reverse (12503302423), we get a palindrome (44923632944).

The spelling of 32420330521 in words is "thirty-two billion, four hundred twenty million, three hundred thirty thousand, five hundred twenty-one".