2103525043 has 4 divisors (see below), whose sum is σ = 2113494568. Its totient is φ = 2093555520.

The previous prime is 2103525031. The next prime is 2103525089. The reversal of 2103525043 is 3405253012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2103525043 - 2⁹ = 2103524531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103524999 and 2103525017.

It is not an unprimeable number, because it can be changed into a prime (2103520043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4984446 + ... + 4984867.

It is an arithmetic number, because the mean of its divisors is an integer number (528373642).

Almost surely, 2^2103525043 is an apocalyptic number.

2103525043 is a deficient number, since it is larger than the sum of its proper divisors (9969525).

2103525043 is an equidigital number, since it uses as much as digits as its factorization.

2103525043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9969524.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2103525043 is about 45864.2021951761. The cubic root of 2103525043 is about 1281.2952877175.

Adding to 2103525043 its reverse (3405253012), we get a palindrome (5508778055).

It can be divided in two parts, 210 and 3525043, that added together give a palindrome (3525253).

The spelling of 2103525043 in words is "two billion, one hundred three million, five hundred twenty-five thousand, forty-three".