2543505416 has 32 divisors (see below), whose sum is σ = 4980225600. Its totient is φ = 1215529920.

The previous prime is 2543505403. The next prime is 2543505431. The reversal of 2543505416 is 6145053452.

It is an unprimeable number.

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, 277190 + ... + 286218.

It is an arithmetic number, because the mean of its divisors is an integer number (155632050).

Almost surely, 2^2543505416 is an apocalyptic number.

It is an amenable number.

2543505416 is a deficient number, since it is larger than the sum of its proper divisors (2436720184).

2543505416 is a wasteful number, since it uses less digits than its factorization.

2543505416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10589 (or 10585 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2543505416 is about 50433.1777305377. The cubic root of 2543505416 is about 1365.0363680507.

Adding to 2543505416 its reverse (6145053452), we get a palindrome (8688558868).

The spelling of 2543505416 in words is "two billion, five hundred forty-three million, five hundred five thousand, four hundred sixteen".