3243520453 has 2 divisors, whose sum is σ = 3243520454. Its totient is φ = 3243520452.

The previous prime is 3243520411. The next prime is 3243520499. The reversal of 3243520453 is 3540253423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2940133729 + 303386724 = 54223^2 + 17418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3243520453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3243520403) 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, 1621760226 + 1621760227.

It is an arithmetic number, because the mean of its divisors is an integer number (1621760227).

Almost surely, 2^3243520453 is an apocalyptic number.

It is an amenable number.

3243520453 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243520453 is an equidigital number, since it uses as much as digits as its factorization.

3243520453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 31.

The square root of 3243520453 is about 56951.9135148241. The cubic root of 3243520453 is about 1480.2629878713.

Adding to 3243520453 its reverse (3540253423), we get a palindrome (6783773876).

The spelling of 3243520453 in words is "three billion, two hundred forty-three million, five hundred twenty thousand, four hundred fifty-three".