2543713427 has 4 divisors (see below), whose sum is σ = 2544170160. Its totient is φ = 2543256696.

The previous prime is 2543713423. The next prime is 2543713493. The reversal of 2543713427 is 7243173452.

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

It is a cyclic number.

It is not a de Polignac number, because 2543713427 - 2² = 2543713423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2543713421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219908 + ... + 231185.

It is an arithmetic number, because the mean of its divisors is an integer number (636042540).

Almost surely, 2^2543713427 is an apocalyptic number.

2543713427 is a deficient number, since it is larger than the sum of its proper divisors (456733).

2543713427 is an equidigital number, since it uses as much as digits as its factorization.

2543713427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456732.

The product of its digits is 141120, while the sum is 38.

The square root of 2543713427 is about 50435.2399320158. The cubic root of 2543713427 is about 1365.0735784871.

Adding to 2543713427 its reverse (7243173452), we get a palindrome (9786886879).

The spelling of 2543713427 in words is "two billion, five hundred forty-three million, seven hundred thirteen thousand, four hundred twenty-seven".