3521320241 has 2 divisors, whose sum is σ = 3521320242. Its totient is φ = 3521320240.

The previous prime is 3521320223. The next prime is 3521320249. The reversal of 3521320241 is 1420231253.

3521320241 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3507600625 + 13719616 = 59225^2 + 3704^2 .

It is a cyclic number.

It is not a de Polignac number, because 3521320241 - 2¹⁸ = 3521058097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3521320249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760660120 + 1760660121.

It is an arithmetic number, because the mean of its divisors is an integer number (1760660121).

Almost surely, 2^3521320241 is an apocalyptic number.

It is an amenable number.

3521320241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521320241 is an equidigital number, since it uses as much as digits as its factorization.

3521320241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3521320241 is about 59340.7131824349. The cubic root of 3521320241 is about 1521.3711428718.

Adding to 3521320241 its reverse (1420231253), we get a palindrome (4941551494).

The spelling of 3521320241 in words is "three billion, five hundred twenty-one million, three hundred twenty thousand, two hundred forty-one".