3243145541 has 2 divisors, whose sum is σ = 3243145542. Its totient is φ = 3243145540.

The previous prime is 3243145517. The next prime is 3243145553. The reversal of 3243145541 is 1455413423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1668722500 + 1574423041 = 40850^2 + 39679^2 .

It is an emirp because it is prime and its reverse (1455413423) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3243145541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3243145498 and 3243145507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3243145501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621572770 + 1621572771.

It is an arithmetic number, because the mean of its divisors is an integer number (1621572771).

Almost surely, 2^3243145541 is an apocalyptic number.

It is an amenable number.

3243145541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243145541 is an equidigital number, since it uses as much as digits as its factorization.

3243145541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 32.

The square root of 3243145541 is about 56948.6219411848. The cubic root of 3243145541 is about 1480.2059521340.

Adding to 3243145541 its reverse (1455413423), we get a palindrome (4698558964).

The spelling of 3243145541 in words is "three billion, two hundred forty-three million, one hundred forty-five thousand, five hundred forty-one".