3247225 has 12 divisors (see below), whose sum is σ = 4053436. Its totient is φ = 2580480.

The previous prime is 3247207. The next prime is 3247243. The reversal of 3247225 is 5227423.

3247225 is digitally balanced in base 2, 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 (3247207) and next prime (3247243).

It can be written as a sum of positive squares in 6 ways, for example, as 414736 + 2832489 = 644^2 + 1683^2 .

It is not a de Polignac number, because 3247225 - 2²¹ = 1150073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 3⁸ + 2²⁰ + 4 + 7⁵ + 2²⁰ + 2²⁰ + 5⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3247225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4489 + ... + 5161.

Almost surely, 2^3247225 is an apocalyptic number.

It is an amenable number.

3247225 is a deficient number, since it is larger than the sum of its proper divisors (806211).

3247225 is a wasteful number, since it uses less digits than its factorization.

3247225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 871 counting only the distinct ones).

The product of its digits is 3360, while the sum is 25.

The square root of 3247225 is about 1802.0058268496. The cubic root of 3247225 is about 148.0826328178.

It can be divided in two parts, 324 and 7225, that multiplied together give a square (2340900 = 1530²).

The spelling of 3247225 in words is "three million, two hundred forty-seven thousand, two hundred twenty-five".