2289816125 has 8 divisors (see below), whose sum is σ = 2857690680. Its totient is φ = 1831852800.

The previous prime is 2289816073. The next prime is 2289816143. The reversal of 2289816125 is 5216189822.

It can be written as a sum of positive squares in 4 ways, for example, as 131377444 + 2158438681 = 11462^2 + 46459^2 .

It is not a de Polignac number, because 2289816125 - 2¹² = 2289812029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9159140 + ... + 9159389.

It is an arithmetic number, because the mean of its divisors is an integer number (357211335).

Almost surely, 2^2289816125 is an apocalyptic number.

2289816125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2289816125 is a deficient number, since it is larger than the sum of its proper divisors (567874555).

2289816125 is an equidigital number, since it uses as much as digits as its factorization.

2289816125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18318544 (or 18318534 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 2289816125 is about 47852.0232069659. The cubic root of 2289816125 is about 1318.0550106641.

The spelling of 2289816125 in words is "two billion, two hundred eighty-nine million, eight hundred sixteen thousand, one hundred twenty-five".