2543424547 has 2 divisors, whose sum is σ = 2543424548. Its totient is φ = 2543424546.

The previous prime is 2543424539. The next prime is 2543424557. The reversal of 2543424547 is 7454243452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2543424547 - 2³ = 2543424539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2543424517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271712273 + 1271712274.

It is an arithmetic number, because the mean of its divisors is an integer number (1271712274).

Almost surely, 2^2543424547 is an apocalyptic number.

2543424547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543424547 is an equidigital number, since it uses as much as digits as its factorization.

2543424547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 537600, while the sum is 40.

The square root of 2543424547 is about 50432.3759801182. The cubic root of 2543424547 is about 1365.0219011008.

Adding to 2543424547 its reverse (7454243452), we get a palindrome (9997667999).

The spelling of 2543424547 in words is "two billion, five hundred forty-three million, four hundred twenty-four thousand, five hundred forty-seven".