3965525 has 6 divisors (see below), whose sum is σ = 4917282. Its totient is φ = 3172400.

The previous prime is 3965483. The next prime is 3965537. The reversal of 3965525 is 5255693.

It can be written as a sum of positive squares in 3 ways, for example, as 1444 + 3964081 = 38^2 + 1991^2 .

It is not a de Polignac number, because 3965525 - 2⁶ = 3965461 is a prime.

It is a d-powerful number, because it can be written as 3 + 9⁵ + 6³ + 5 + 5⁹ + 2 + 5⁹ .

It is a Duffinian number.

It is a congruent number.

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, 79286 + ... + 79335.

It is an arithmetic number, because the mean of its divisors is an integer number (819547).

Almost surely, 2^3965525 is an apocalyptic number.

It is an amenable number.

3965525 is a deficient number, since it is larger than the sum of its proper divisors (951757).

3965525 is a wasteful number, since it uses less digits than its factorization.

3965525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158631 (or 158626 counting only the distinct ones).

The product of its digits is 40500, while the sum is 35.

The square root of 3965525 is about 1991.3625988252. The cubic root of 3965525 is about 158.2827416079.

The spelling of 3965525 in words is "three million, nine hundred sixty-five thousand, five hundred twenty-five".