2103312525 has 24 divisors (see below), whose sum is σ = 3516560640. Its totient is φ = 1109159040.

The previous prime is 2103312509. The next prime is 2103312529. The reversal of 2103312525 is 5252133012.

It is a happy number.

It is not a de Polignac number, because 2103312525 - 2⁴ = 2103312509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2103312495 and 2103312504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103312529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150877 + ... + 164226.

It is an arithmetic number, because the mean of its divisors is an integer number (146523360).

Almost surely, 2^2103312525 is an apocalyptic number.

2103312525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2103312525 is a deficient number, since it is larger than the sum of its proper divisors (1413248115).

2103312525 is a wasteful number, since it uses less digits than its factorization.

2103312525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315205 (or 315200 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2103312525 is about 45861.8853188571. The cubic root of 2103312525 is about 1281.2521367404.

Adding to 2103312525 its reverse (5252133012), we get a palindrome (7355445537).

The spelling of 2103312525 in words is "two billion, one hundred three million, three hundred twelve thousand, five hundred twenty-five".