2543424539 has 2 divisors, whose sum is σ = 2543424540. Its totient is φ = 2543424538.

The previous prime is 2543424523. The next prime is 2543424547. The reversal of 2543424539 is 9354243452.

2543424539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2543424539 - 2⁴ = 2543424523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2543424496 and 2543424505.

It is not a weakly prime, because it can be changed into another prime (2543424139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271712269 + 1271712270.

It is an arithmetic number, because the mean of its divisors is an integer number (1271712270).

Almost surely, 2^2543424539 is an apocalyptic number.

2543424539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543424539 is an equidigital number, since it uses as much as digits as its factorization.

2543424539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 41.

The square root of 2543424539 is about 50432.3759008040. The cubic root of 2543424539 is about 1365.0218996697.

The spelling of 2543424539 in words is "two billion, five hundred forty-three million, four hundred twenty-four thousand, five hundred thirty-nine".