3512225 has 12 divisors (see below), whose sum is σ = 4474044. Its totient is φ = 2733120.

The previous prime is 3512213. The next prime is 3512227. The reversal of 3512225 is 5222153.

It can be written as a sum of positive squares in 6 ways, for example, as 214369 + 3297856 = 463^2 + 1816^2 .

It is not a de Polignac number, because 3512225 - 2⁴ = 3512209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3512197 and 3512206.

It is not an unprimeable number, because it can be changed into a prime (3512227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 974 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (372837).

Almost surely, 2^3512225 is an apocalyptic number.

It is an amenable number.

3512225 is a deficient number, since it is larger than the sum of its proper divisors (961819).

3512225 is a wasteful number, since it uses less digits than its factorization.

3512225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844 (or 3839 counting only the distinct ones).

The product of its digits is 600, while the sum is 20.

The square root of 3512225 is about 1874.0931140154. The cubic root of 3512225 is about 152.0060160361.

Adding to 3512225 its reverse (5222153), we get a palindrome (8734378).

The spelling of 3512225 in words is "three million, five hundred twelve thousand, two hundred twenty-five".