2103520232225 has 6 divisors (see below), whose sum is σ = 2608365087990. Its totient is φ = 1682816185760.

The previous prime is 2103520232201. The next prime is 2103520232299. The reversal of 2103520232225 is 5222320253012.

It can be written as a sum of positive squares in 3 ways, for example, as 139102145296 + 1964418086929 = 372964^2 + 1401577^2 .

It is not a de Polignac number, because 2103520232225 - 2⁶ = 2103520232161 is a prime.

It is a super-3 number, since 3×2103520232225³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42070404620 + ... + 42070404669.

It is an arithmetic number, because the mean of its divisors is an integer number (434727514665).

Almost surely, 2^{2103520232225} is an apocalyptic number.

2103520232225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2103520232225 is a deficient number, since it is larger than the sum of its proper divisors (504844855765).

2103520232225 is an equidigital number, since it uses as much as digits as its factorization.

2103520232225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84140809299 (or 84140809294 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 2103520232225 its reverse (5222320253012), we get a palindrome (7325840485237).

The spelling of 2103520232225 in words is "two trillion, one hundred three billion, five hundred twenty million, two hundred thirty-two thousand, two hundred twenty-five".