2103156325 has 12 divisors (see below), whose sum is σ = 2617617060. Its totient is φ = 1676264960.

The previous prime is 2103156301. The next prime is 2103156337. The reversal of 2103156325 is 5236513012.

It can be written as a sum of positive squares in 6 ways, for example, as 3500641 + 2099655684 = 1871^2 + 45822^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2103156325 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2103156293 and 2103156302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149644 + ... + 163093.

It is an arithmetic number, because the mean of its divisors is an integer number (218134755).

Almost surely, 2^2103156325 is an apocalyptic number.

2103156325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2103156325 is a deficient number, since it is larger than the sum of its proper divisors (514460735).

2103156325 is a wasteful number, since it uses less digits than its factorization.

2103156325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313016 (or 313011 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2103156325 is about 45860.1823480893. The cubic root of 2103156325 is about 1281.2204190672.

Adding to 2103156325 its reverse (5236513012), we get a palindrome (7339669337).

The spelling of 2103156325 in words is "two billion, one hundred three million, one hundred fifty-six thousand, three hundred twenty-five".