3549825 has 30 divisors (see below), whose sum is σ = 6579254. Its totient is φ = 1892160.

The previous prime is 3549823. The next prime is 3549839. The reversal of 3549825 is 5289453.

It can be written as a sum of positive squares in 3 ways, for example, as 11664 + 3538161 = 108^2 + 1881^2 .

It is not a de Polignac number, because 3549825 - 2¹ = 3549823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3549825.

It is not an unprimeable number, because it can be changed into a prime (3549823) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1149 + ... + 2901.

Almost surely, 2^3549825 is an apocalyptic number.

It is an amenable number.

3549825 is a deficient number, since it is larger than the sum of its proper divisors (3029429).

3549825 is a wasteful number, since it uses less digits than its factorization.

3549825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1761 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 3549825 is about 1884.0979273912. The cubic root of 3549825 is about 152.5465234746.

The spelling of 3549825 in words is "three million, five hundred forty-nine thousand, eight hundred twenty-five".