2543242113 has 24 divisors (see below), whose sum is σ = 3734007680. Its totient is φ = 1667822400.

The previous prime is 2543242103. The next prime is 2543242123. The reversal of 2543242113 is 3112423452.

2543242113 is a `hidden beast` number, since 2 + 543 + 2 + 4 + 2 + 113 = 666.

2543242113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2543242103) and next prime (2543242123).

It is not a de Polignac number, because 2543242113 - 2⁶ = 2543242049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2543242103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130893 + ... + 149061.

Almost surely, 2^2543242113 is an apocalyptic number.

It is an amenable number.

2543242113 is a deficient number, since it is larger than the sum of its proper divisors (1190765567).

2543242113 is a wasteful number, since it uses less digits than its factorization.

2543242113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18429 (or 18426 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2543242113 is about 50430.5672484457. The cubic root of 2543242113 is about 1364.9892636921.

Adding to 2543242113 its reverse (3112423452), we get a palindrome (5655665565).

The spelling of 2543242113 in words is "two billion, five hundred forty-three million, two hundred forty-two thousand, one hundred thirteen".