3243155401 has 2 divisors, whose sum is σ = 3243155402. Its totient is φ = 3243155400.

The previous prime is 3243155393. The next prime is 3243155407. The reversal of 3243155401 is 1045513423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2680754176 + 562401225 = 51776^2 + 23715^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243155401 - 2³ = 3243155393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3243155401.

It is not a weakly prime, because it can be changed into another prime (3243155407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621577700 + 1621577701.

It is an arithmetic number, because the mean of its divisors is an integer number (1621577701).

Almost surely, 2^3243155401 is an apocalyptic number.

It is an amenable number.

3243155401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243155401 is an equidigital number, since it uses as much as digits as its factorization.

3243155401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3243155401 is about 56948.7085103780. The cubic root of 3243155401 is about 1480.2074522019.

Adding to 3243155401 its reverse (1045513423), we get a palindrome (4288668824).

The spelling of 3243155401 in words is "three billion, two hundred forty-three million, one hundred fifty-five thousand, four hundred one".