3540825 has 18 divisors (see below), whose sum is σ = 6342414. Its totient is φ = 1888320.

The previous prime is 3540793. The next prime is 3540829. The reversal of 3540825 is 5280453.

3540825 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 788544 + 2752281 = 888^2 + 1659^2 .

It is not a de Polignac number, because 3540825 - 2⁵ = 3540793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540829) 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 17 ways as a sum of consecutive naturals, for example, 7644 + ... + 8093.

Almost surely, 2^3540825 is an apocalyptic number.

It is an amenable number.

3540825 is a deficient number, since it is larger than the sum of its proper divisors (2801589).

3540825 is a wasteful number, since it uses less digits than its factorization.

3540825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15753 (or 15745 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3540825 is about 1881.7080007270. The cubic root of 3540825 is about 152.4174954598.

The spelling of 3540825 in words is "three million, five hundred forty thousand, eight hundred twenty-five".