13625225 has 12 divisors (see below), whose sum is σ = 16951296. Its totient is φ = 10864080.

The previous prime is 13625219. The next prime is 13625233. The reversal of 13625225 is 52252631.

It is not a de Polignac number, because 13625225 - 2¹⁸ = 13363081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13625194 and 13625203.

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, 8864 + ... + 10286.

It is an arithmetic number, because the mean of its divisors is an integer number (1412608).

Almost surely, 2^13625225 is an apocalyptic number.

It is an amenable number.

13625225 is a deficient number, since it is larger than the sum of its proper divisors (3326071).

13625225 is a wasteful number, since it uses less digits than its factorization.

13625225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1811 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 13625225 is about 3691.2362427783. The cubic root of 13625225 is about 238.8441237756.

Adding to 13625225 its reverse (52252631), we get a palindrome (65877856).

The spelling of 13625225 in words is "thirteen million, six hundred twenty-five thousand, two hundred twenty-five".