2543113 has 2 divisors, whose sum is σ = 2543114. Its totient is φ = 2543112.

The previous prime is 2543111. The next prime is 2543117. The reversal of 2543113 is 3113452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2534464 + 8649 = 1592^2 + 93^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543113 - 2¹ = 2543111 is a prime.

Together with 2543111, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 4⁸ + 3⁴ + 1 + 1 + 3⁴ .

It is not a weakly prime, because it can be changed into another prime (2543111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271556 + 1271557.

It is an arithmetic number, because the mean of its divisors is an integer number (1271557).

2^2543113 is an apocalyptic number.

It is an amenable number.

2543113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543113 is an equidigital number, since it uses as much as digits as its factorization.

2543113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 19.

The square root of 2543113 is about 1594.7140809562. The cubic root of 2543113 is about 136.4966164457.

Adding to 2543113 its reverse (3113452), we get a palindrome (5656565).

The spelling of 2543113 in words is "two million, five hundred forty-three thousand, one hundred thirteen".