12525225 has 48 divisors (see below), whose sum is σ = 22177152. Its totient is φ = 6223360.

The previous prime is 12525223. The next prime is 12525239. The reversal of 12525225 is 52252521.

It is not a de Polignac number, because 12525225 - 2¹ = 12525223 is a prime.

It is a super-2 number, since 2×12525225² = 313762522601250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12525195 and 12525204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91357 + ... + 91493.

It is an arithmetic number, because the mean of its divisors is an integer number (462024).

Almost surely, 2^12525225 is an apocalyptic number.

12525225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12525225 is a deficient number, since it is larger than the sum of its proper divisors (9651927).

12525225 is a wasteful number, since it uses less digits than its factorization.

12525225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 221 counting only the distinct ones).

The product of its digits is 2000, while the sum is 24.

The square root of 12525225 is about 3539.0994617275. The cubic root of 12525225 is about 232.2354488912.

Adding to 12525225 its reverse (52252521), we get a palindrome (64777746).

The spelling of 12525225 in words is "twelve million, five hundred twenty-five thousand, two hundred twenty-five".