3555625 has 10 divisors (see below), whose sum is σ = 4443890. Its totient is φ = 2844000.

The previous prime is 3555613. The next prime is 3555647. The reversal of 3555625 is 5265553.

It can be written as a sum of positive squares in 5 ways, for example, as 514089 + 3041536 = 717^2 + 1744^2 .

It is not a de Polignac number, because 3555625 - 2⁹ = 3555113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2220 + ... + 3469.

It is an arithmetic number, because the mean of its divisors is an integer number (444389).

Almost surely, 2^3555625 is an apocalyptic number.

It is an amenable number.

3555625 is a deficient number, since it is larger than the sum of its proper divisors (888265).

3555625 is an frugal number, since it uses more digits than its factorization.

3555625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709 (or 5694 counting only the distinct ones).

The product of its digits is 22500, while the sum is 31.

The square root of 3555625 is about 1885.6364973133. The cubic root of 3555625 is about 152.6295593429.

The spelling of 3555625 in words is "three million, five hundred fifty-five thousand, six hundred twenty-five".