3105225 has 36 divisors (see below), whose sum is σ = 5727436. Its totient is φ = 1607040.

The previous prime is 3105211. The next prime is 3105251. The reversal of 3105225 is 5225013.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 35721 + 3069504 = 189^2 + 1752^2 .

It is not a de Polignac number, because 3105225 - 2⁷ = 3105097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3105198 and 3105207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8139 + ... + 8511.

Almost surely, 2^3105225 is an apocalyptic number.

It is an amenable number.

3105225 is a deficient number, since it is larger than the sum of its proper divisors (2622211).

3105225 is a wasteful number, since it uses less digits than its factorization.

3105225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 3105225 is about 1762.1648617539. The cubic root of 3105225 is about 145.8918477203.

The spelling of 3105225 in words is "three million, one hundred five thousand, two hundred twenty-five".