3609825 has 12 divisors (see below), whose sum is σ = 5968368. Its totient is φ = 1925200.

The previous prime is 3609821. The next prime is 3609847. The reversal of 3609825 is 5289063.

It is a happy number.

3609825 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 3609825 - 2² = 3609821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3609821) 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, 23991 + ... + 24140.

It is an arithmetic number, because the mean of its divisors is an integer number (497364).

Almost surely, 2^3609825 is an apocalyptic number.

It is an amenable number.

3609825 is a deficient number, since it is larger than the sum of its proper divisors (2358543).

3609825 is a wasteful number, since it uses less digits than its factorization.

3609825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48144 (or 48139 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3609825 is about 1899.9539468103. The cubic root of 3609825 is about 153.4011855759.

The spelling of 3609825 in words is "three million, six hundred nine thousand, eight hundred twenty-five".