2251711163 has 4 divisors (see below), whose sum is σ = 2424919728. Its totient is φ = 2078502600.

The previous prime is 2251711159. The next prime is 2251711169. The reversal of 2251711163 is 3611171522.

2251711163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2251711163 - 2² = 2251711159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251711169) 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, 86604263 + ... + 86604288.

It is an arithmetic number, because the mean of its divisors is an integer number (606229932).

Almost surely, 2^2251711163 is an apocalyptic number.

2251711163 is a deficient number, since it is larger than the sum of its proper divisors (173208565).

2251711163 is a wasteful number, since it uses less digits than its factorization.

2251711163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173208564.

The product of its digits is 2520, while the sum is 29.

The square root of 2251711163 is about 47452.1987161817. The cubic root of 2251711163 is about 1310.7027992775.

Adding to 2251711163 its reverse (3611171522), we get a palindrome (5862882685).

The spelling of 2251711163 in words is "two billion, two hundred fifty-one million, seven hundred eleven thousand, one hundred sixty-three".