2543425443 has 24 divisors (see below), whose sum is σ = 4164676880. Its totient is φ = 1482805440.

The previous prime is 2543425387. The next prime is 2543425459. The reversal of 2543425443 is 3445243452.

It is not a de Polignac number, because 2543425443 - 2¹³ = 2543417251 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2543425398 and 2543425407.

It is not an unprimeable number, because it can be changed into a prime (2543425043) 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, 569848 + ... + 574293.

Almost surely, 2^2543425443 is an apocalyptic number.

2543425443 is a deficient number, since it is larger than the sum of its proper divisors (1621251437).

2543425443 is a wasteful number, since it uses less digits than its factorization.

2543425443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144179 (or 1144176 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 2543425443 is about 50432.3848632999. The cubic root of 2543425443 is about 1365.0220613912.

Adding to 2543425443 its reverse (3445243452), we get a palindrome (5988668895).

The spelling of 2543425443 in words is "two billion, five hundred forty-three million, four hundred twenty-five thousand, four hundred forty-three".