3565225 has 6 divisors (see below), whose sum is σ = 4420910. Its totient is φ = 2852160.

The previous prime is 3565213. The next prime is 3565241. The reversal of 3565225 is 5225653.

It can be written as a sum of positive squares in 3 ways, for example, as 732736 + 2832489 = 856^2 + 1683^2 .

It is not a de Polignac number, because 3565225 - 2⁷ = 3565097 is a prime.

3565225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3565193 and 3565202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71280 + ... + 71329.

Almost surely, 2^3565225 is an apocalyptic number.

It is an amenable number.

3565225 is a deficient number, since it is larger than the sum of its proper divisors (855685).

3565225 is a wasteful number, since it uses less digits than its factorization.

3565225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142619 (or 142614 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 3565225 is about 1888.1803409632. The cubic root of 3565225 is about 152.7667998234.

The spelling of 3565225 in words is "three million, five hundred sixty-five thousand, two hundred twenty-five".