2543028481 has 8 divisors (see below), whose sum is σ = 2907575360. Its totient is φ = 2178795888.

The previous prime is 2543028437. The next prime is 2543028493. The reversal of 2543028481 is 1848203452.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2543028481 - 2¹³ = 2543020289 is a prime.

It is a super-2 number, since 2×2543028481² = 12933987710354334722, which contains 22 as substring.

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 2543028481.

It is not an unprimeable number, because it can be changed into a prime (2543028431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60966 + ... + 93823.

It is an arithmetic number, because the mean of its divisors is an integer number (363446920).

Almost surely, 2^2543028481 is an apocalyptic number.

It is an amenable number.

2543028481 is a deficient number, since it is larger than the sum of its proper divisors (364546879).

2543028481 is a wasteful number, since it uses less digits than its factorization.

2543028481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157143.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 2543028481 is about 50428.4491234858. The cubic root of 2543028481 is about 1364.9510429829.

The spelling of 2543028481 in words is "two billion, five hundred forty-three million, twenty-eight thousand, four hundred eighty-one".