2543351213 has 4 divisors (see below), whose sum is σ = 2738993628. Its totient is φ = 2347708800.

The previous prime is 2543351203. The next prime is 2543351219. The reversal of 2543351213 is 3121533452.

It is a happy number.

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 545082409 + 1998268804 = 23347^2 + 44702^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543351213 - 2¹⁶ = 2543285677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543351219) 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, 97821188 + ... + 97821213.

It is an arithmetic number, because the mean of its divisors is an integer number (684748407).

Almost surely, 2^2543351213 is an apocalyptic number.

It is an amenable number.

2543351213 is a deficient number, since it is larger than the sum of its proper divisors (195642415).

2543351213 is a wasteful number, since it uses less digits than its factorization.

2543351213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195642414.

The product of its digits is 10800, while the sum is 29.

The square root of 2543351213 is about 50431.6489220807. The cubic root of 2543351213 is about 1365.0087818494.

Adding to 2543351213 its reverse (3121533452), we get a palindrome (5664884665).

The spelling of 2543351213 in words is "two billion, five hundred forty-three million, three hundred fifty-one thousand, two hundred thirteen".