2103711253 has 4 divisors (see below), whose sum is σ = 2404241440. Its totient is φ = 1803181068.

The previous prime is 2103711251. The next prime is 2103711289. The reversal of 2103711253 is 3521173012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2103711253 - 2¹ = 2103711251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103711251) 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, 150265083 + ... + 150265096.

It is an arithmetic number, because the mean of its divisors is an integer number (601060360).

Almost surely, 2^2103711253 is an apocalyptic number.

It is an amenable number.

2103711253 is a deficient number, since it is larger than the sum of its proper divisors (300530187).

2103711253 is an equidigital number, since it uses as much as digits as its factorization.

2103711253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300530186.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2103711253 is about 45866.2321648509. The cubic root of 2103711253 is about 1281.3330945656. Note that the first 3 decimals are identical.

Adding to 2103711253 its reverse (3521173012), we get a palindrome (5624884265).

The spelling of 2103711253 in words is "two billion, one hundred three million, seven hundred eleven thousand, two hundred fifty-three".