3318725 has 6 divisors (see below), whose sum is σ = 4115250. Its totient is φ = 2654960.

The previous prime is 3318719. The next prime is 3318769. The reversal of 3318725 is 5278133.

3318725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 543169 + 2775556 = 737^2 + 1666^2 .

It is not a de Polignac number, because 3318725 - 2⁴ = 3318709 is a prime.

It is a super-2 number, since 2×3318725² = 22027871251250, which contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 66350 + ... + 66399.

It is an arithmetic number, because the mean of its divisors is an integer number (685875).

Almost surely, 2^3318725 is an apocalyptic number.

It is an amenable number.

3318725 is a deficient number, since it is larger than the sum of its proper divisors (796525).

3318725 is a wasteful number, since it uses less digits than its factorization.

3318725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132759 (or 132754 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 3318725 is about 1821.7368086527. The cubic root of 3318725 is about 149.1616191433.

The spelling of 3318725 in words is "three million, three hundred eighteen thousand, seven hundred twenty-five".