2543103516 has 12 divisors (see below), whose sum is σ = 5933908232. Its totient is φ = 847701168.

The previous prime is 2543103509. The next prime is 2543103517. The reversal of 2543103516 is 6153013452.

2543103516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543103517) 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, 105962635 + ... + 105962658.

Almost surely, 2^2543103516 is an apocalyptic number.

It is an amenable number.

2543103516 is an abundant number, since it is smaller than the sum of its proper divisors (3390804716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543103516 is a wasteful number, since it uses less digits than its factorization.

2543103516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211925300 (or 211925298 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2543103516 is about 50429.1930928902. The cubic root of 2543103516 is about 1364.9644676712.

Adding to 2543103516 its reverse (6153013452), we get a palindrome (8696116968).

The spelling of 2543103516 in words is "two billion, five hundred forty-three million, one hundred three thousand, five hundred sixteen".