2125543203 has 24 divisors (see below), whose sum is σ = 3510044928. Its totient is φ = 1214176752.

The previous prime is 2125543193. The next prime is 2125543219. The reversal of 2125543203 is 3023455212.

It is a happy number.

It is not a de Polignac number, because 2125543203 - 2⁴ = 2125543187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125543223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336250 + ... + 342512.

It is an arithmetic number, because the mean of its divisors is an integer number (146251872).

Almost surely, 2^2125543203 is an apocalyptic number.

2125543203 is a deficient number, since it is larger than the sum of its proper divisors (1384501725).

2125543203 is a wasteful number, since it uses less digits than its factorization.

2125543203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11663 (or 11660 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2125543203 is about 46103.6137737596. The cubic root of 2125543203 is about 1285.7503332803.

Adding to 2125543203 its reverse (3023455212), we get a palindrome (5148998415).

The spelling of 2125543203 in words is "two billion, one hundred twenty-five million, five hundred forty-three thousand, two hundred three".