2543303545 has 16 divisors (see below), whose sum is σ = 3186024192. Its totient is φ = 1945345600.

The previous prime is 2543303537. The next prime is 2543303551. The reversal of 2543303545 is 5453033452.

It is not a de Polignac number, because 2543303545 - 2³ = 2543303537 is a prime.

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 2543303545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472620 + ... + 477970.

It is an arithmetic number, because the mean of its divisors is an integer number (199126512).

Almost surely, 2^2543303545 is an apocalyptic number.

It is an amenable number.

2543303545 is a deficient number, since it is larger than the sum of its proper divisors (642720647).

2543303545 is a wasteful number, since it uses less digits than its factorization.

2543303545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512.

The product of its (nonzero) digits is 108000, while the sum is 34.

The square root of 2543303545 is about 50431.1763198123. The cubic root of 2543303545 is about 1365.0002540398. Note that the first 3 decimals are identical.

Adding to 2543303545 its reverse (5453033452), we get a palindrome (7996336997).

The spelling of 2543303545 in words is "two billion, five hundred forty-three million, three hundred three thousand, five hundred forty-five".