3243544253 has 4 divisors (see below), whose sum is σ = 3243824988. Its totient is φ = 3243263520.

The previous prime is 3243544231. The next prime is 3243544267. The reversal of 3243544253 is 3524453423.

It is a happy number.

3243544253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 812364004 + 2431180249 = 28502^2 + 49307^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243544253 - 2¹⁰ = 3243543229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243544273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122258 + ... + 146403.

It is an arithmetic number, because the mean of its divisors is an integer number (810956247).

Almost surely, 2^3243544253 is an apocalyptic number.

It is an amenable number.

3243544253 is a deficient number, since it is larger than the sum of its proper divisors (280735).

3243544253 is a wasteful number, since it uses less digits than its factorization.

3243544253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280734.

The product of its digits is 172800, while the sum is 35.

The square root of 3243544253 is about 56952.1224626440. The cubic root of 3243544253 is about 1480.2666084407.

Adding to 3243544253 its reverse (3524453423), we get a palindrome (6767997676).

The spelling of 3243544253 in words is "three billion, two hundred forty-three million, five hundred forty-four thousand, two hundred fifty-three".