3205625 has 20 divisors (see below), whose sum is σ = 4198656. Its totient is φ = 2442000.

The previous prime is 3205603. The next prime is 3205627. The reversal of 3205625 is 5265023.

It is a happy number.

It is not a de Polignac number, because 3205625 - 2¹² = 3201529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 3205625.

It is not an unprimeable number, because it can be changed into a prime (3205627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14264 + ... + 14486.

Almost surely, 2^3205625 is an apocalyptic number.

It is an amenable number.

3205625 is a deficient number, since it is larger than the sum of its proper divisors (993031).

3205625 is an equidigital number, since it uses as much as digits as its factorization.

3205625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 3205625 is about 1790.4259269794. The cubic root of 3205625 is about 147.4475538907.

The spelling of 3205625 in words is "three million, two hundred five thousand, six hundred twenty-five".