3965425 has 6 divisors (see below), whose sum is σ = 4917158. Its totient is φ = 3172320.

The previous prime is 3965419. The next prime is 3965441. The reversal of 3965425 is 5245693.

3965425 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 461041 + 3504384 = 679^2 + 1872^2 .

It is not a de Polignac number, because 3965425 - 2⁵ = 3965393 is a prime.

It is a Duffinian 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, 79284 + ... + 79333.

Almost surely, 2^3965425 is an apocalyptic number.

It is an amenable number.

3965425 is a deficient number, since it is larger than the sum of its proper divisors (951733).

3965425 is a wasteful number, since it uses less digits than its factorization.

3965425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158627 (or 158622 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 3965425 is about 1991.3374902311. The cubic root of 3965425 is about 158.2814111067.

The spelling of 3965425 in words is "three million, nine hundred sixty-five thousand, four hundred twenty-five".