2543454831 has 16 divisors (see below), whose sum is σ = 3556280160. Its totient is φ = 1614735360.

The previous prime is 2543454829. The next prime is 2543454863. The reversal of 2543454831 is 1384543452.

It is not a de Polignac number, because 2543454831 - 2¹ = 2543454829 is a prime.

It is a super-2 number, since 2×2543454831² = 12938324954674477122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2543454831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543454811) 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 15 ways as a sum of consecutive naturals, for example, 193890 + ... + 206591.

It is an arithmetic number, because the mean of its divisors is an integer number (222267510).

Almost surely, 2^2543454831 is an apocalyptic number.

2543454831 is a deficient number, since it is larger than the sum of its proper divisors (1012825329).

2543454831 is a wasteful number, since it uses less digits than its factorization.

2543454831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400586.

The product of its digits is 230400, while the sum is 39.

The square root of 2543454831 is about 50432.6762228617. The cubic root of 2543454831 is about 1365.0273187518.

The spelling of 2543454831 in words is "two billion, five hundred forty-three million, four hundred fifty-four thousand, eight hundred thirty-one".