2543431255 has 4 divisors (see below), whose sum is σ = 3052117512. Its totient is φ = 2034745000.

The previous prime is 2543431249. The next prime is 2543431259. The reversal of 2543431255 is 5521343452.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2543431255 - 2⁷ = 2543431127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543431255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543431259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254343121 + ... + 254343130.

It is an arithmetic number, because the mean of its divisors is an integer number (763029378).

Almost surely, 2^2543431255 is an apocalyptic number.

2543431255 is a deficient number, since it is larger than the sum of its proper divisors (508686257).

2543431255 is an equidigital number, since it uses as much as digits as its factorization.

2543431255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508686256.

The product of its digits is 72000, while the sum is 34.

The square root of 2543431255 is about 50432.4424849719. The cubic root of 2543431255 is about 1365.0231011310.

The spelling of 2543431255 in words is "two billion, five hundred forty-three million, four hundred thirty-one thousand, two hundred fifty-five".