2543871454 has 8 divisors (see below), whose sum is σ = 3816506448. Its totient is φ = 1271702640.

The previous prime is 2543871413. The next prime is 2543871457. The reversal of 2543871454 is 4541783452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2543871454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543871457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102567 + ... + 124930.

It is an arithmetic number, because the mean of its divisors is an integer number (477063306).

Almost surely, 2^2543871454 is an apocalyptic number.

2543871454 is a deficient number, since it is larger than the sum of its proper divisors (1272634994).

2543871454 is a wasteful number, since it uses less digits than its factorization.

2543871454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233090.

The product of its digits is 537600, while the sum is 43.

The square root of 2543871454 is about 50436.8065404621. The cubic root of 2543871454 is about 1365.1018460864.

The spelling of 2543871454 in words is "two billion, five hundred forty-three million, eight hundred seventy-one thousand, four hundred fifty-four".