3875825 has 12 divisors (see below), whose sum is σ = 4834140. Its totient is φ = 3082560.

The previous prime is 3875803. The next prime is 3875827. The reversal of 3875825 is 5285783.

It can be written as a sum of positive squares in 6 ways, for example, as 802816 + 3073009 = 896^2 + 1753^2 .

It is not a de Polignac number, because 3875825 - 2¹⁸ = 3613681 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3875827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5387 + ... + 6063.

It is an arithmetic number, because the mean of its divisors is an integer number (402845).

Almost surely, 2^3875825 is an apocalyptic number.

It is an amenable number.

3875825 is a deficient number, since it is larger than the sum of its proper divisors (958315).

3875825 is a wasteful number, since it uses less digits than its factorization.

3875825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 911 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 3875825 is about 1968.7115075602. The cubic root of 3875825 is about 157.0801786632.

It can be divided in two parts, 38758 and 25, that added together give a palindrome (38783).

The spelling of 3875825 in words is "three million, eight hundred seventy-five thousand, eight hundred twenty-five".