6138225 has 18 divisors (see below), whose sum is σ = 10994646. Its totient is φ = 3273600.

The previous prime is 6138211. The next prime is 6138239. The reversal of 6138225 is 5228316.

6138225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6138211) and next prime (6138239).

It can be written as a sum of positive squares in 3 ways, for example, as 898704 + 5239521 = 948^2 + 2289^2 .

It is not a de Polignac number, because 6138225 - 2⁵ = 6138193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13416 + ... + 13865.

Almost surely, 2^6138225 is an apocalyptic number.

It is an amenable number.

6138225 is a deficient number, since it is larger than the sum of its proper divisors (4856421).

6138225 is a wasteful number, since it uses less digits than its factorization.

6138225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27297 (or 27289 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 6138225 is about 2477.5441469326. The cubic root of 6138225 is about 183.0968760562.

Subtracting from 6138225 its reverse (5228316), we obtain a palindrome (909909).

The spelling of 6138225 in words is "six million, one hundred thirty-eight thousand, two hundred twenty-five".