3556625 has 16 divisors (see below), whose sum is σ = 4564560. Its totient is φ = 2764800.

The previous prime is 3556607. The next prime is 3556649. The reversal of 3556625 is 5266553.

It can be written as a sum of positive squares in 8 ways, for example, as 625681 + 2930944 = 791^2 + 1712^2 .

It is not a de Polignac number, because 3556625 - 2⁸ = 3556369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3556591 and 3556600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4241 + ... + 5009.

It is an arithmetic number, because the mean of its divisors is an integer number (285285).

Almost surely, 2^3556625 is an apocalyptic number.

It is an amenable number.

3556625 is a deficient number, since it is larger than the sum of its proper divisors (1007935).

3556625 is an equidigital number, since it uses as much as digits as its factorization.

3556625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 811 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

The square root of 3556625 is about 1885.9016411255. The cubic root of 3556625 is about 152.6438667434.

The spelling of 3556625 in words is "three million, five hundred fifty-six thousand, six hundred twenty-five".