2543243235 has 16 divisors (see below), whose sum is σ = 4382204064. Its totient is φ = 1252058112.

The previous prime is 2543243207. The next prime is 2543243251. The reversal of 2543243235 is 5323423452.

It is not a de Polignac number, because 2543243235 - 2²⁰ = 2542194659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2543243196 and 2543243205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6520942 + ... + 6521331.

It is an arithmetic number, because the mean of its divisors is an integer number (273887754).

Almost surely, 2^2543243235 is an apocalyptic number.

2543243235 is a deficient number, since it is larger than the sum of its proper divisors (1838960829).

2543243235 is a wasteful number, since it uses less digits than its factorization.

2543243235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13042294.

The product of its digits is 86400, while the sum is 33.

The square root of 2543243235 is about 50430.5783726501. The cubic root of 2543243235 is about 1364.9894644224.

Adding to 2543243235 its reverse (5323423452), we get a palindrome (7866666687).

The spelling of 2543243235 in words is "two billion, five hundred forty-three million, two hundred forty-three thousand, two hundred thirty-five".