2105535203 has 4 divisors (see below), whose sum is σ = 2105627040. Its totient is φ = 2105443368.

The previous prime is 2105535199. The next prime is 2105535251. The reversal of 2105535203 is 3025355012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2105535203 - 2² = 2105535199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105535503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20393 + ... + 68021.

It is an arithmetic number, because the mean of its divisors is an integer number (526406760).

Almost surely, 2^2105535203 is an apocalyptic number.

2105535203 is a deficient number, since it is larger than the sum of its proper divisors (91837).

2105535203 is an equidigital number, since it uses as much as digits as its factorization.

2105535203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91836.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2105535203 is about 45886.1112211527. Note that the first 3 decimals coincide. The cubic root of 2105535203 is about 1281.7032994261.

The spelling of 2105535203 in words is "two billion, one hundred five million, five hundred thirty-five thousand, two hundred three".