3605825 has 12 divisors (see below), whose sum is σ = 4666368. Its totient is φ = 2758800.

The previous prime is 3605821. The next prime is 3605837. The reversal of 3605825 is 5285063.

It is not a de Polignac number, because 3605825 - 2² = 3605821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3605821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2561 + ... + 3710.

It is an arithmetic number, because the mean of its divisors is an integer number (388864).

Almost surely, 2^3605825 is an apocalyptic number.

It is an amenable number.

3605825 is a deficient number, since it is larger than the sum of its proper divisors (1060543).

3605825 is a wasteful number, since it uses less digits than its factorization.

3605825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304 (or 6299 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 3605825 is about 1898.9009979459. The cubic root of 3605825 is about 153.3445040171.

The spelling of 3605825 in words is "three million, six hundred five thousand, eight hundred twenty-five".