3245360221 has 2 divisors, whose sum is σ = 3245360222. Its totient is φ = 3245360220.

The previous prime is 3245360203. The next prime is 3245360233. The reversal of 3245360221 is 1220635423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2589283225 + 656076996 = 50885^2 + 25614^2 .

It is a cyclic number.

It is not a de Polignac number, because 3245360221 - 2²¹ = 3243263069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3245360221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3245360201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622680110 + 1622680111.

It is an arithmetic number, because the mean of its divisors is an integer number (1622680111).

Almost surely, 2^3245360221 is an apocalyptic number.

It is an amenable number.

3245360221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3245360221 is an equidigital number, since it uses as much as digits as its factorization.

3245360221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3245360221 is about 56968.0631670061. The cubic root of 3245360221 is about 1480.5428099323.

Adding to 3245360221 its reverse (1220635423), we get a palindrome (4465995644).

The spelling of 3245360221 in words is "three billion, two hundred forty-five million, three hundred sixty thousand, two hundred twenty-one".