3705825 has 12 divisors (see below), whose sum is σ = 6127088. Its totient is φ = 1976400.

The previous prime is 3705799. The next prime is 3705827. The reversal of 3705825 is 5285073.

It is a happy number.

3705825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3705825 - 2¹² = 3701729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3705792 and 3705801.

It is not an unprimeable number, because it can be changed into a prime (3705827) by changing a digit.

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, 24631 + ... + 24780.

Almost surely, 2^3705825 is an apocalyptic number.

It is an amenable number.

3705825 is a deficient number, since it is larger than the sum of its proper divisors (2421263).

3705825 is a wasteful number, since it uses less digits than its factorization.

3705825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49424 (or 49419 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 3705825 is about 1925.0519473510. The cubic root of 3705825 is about 154.7491607051.

The spelling of 3705825 in words is "three million, seven hundred five thousand, eight hundred twenty-five".