556651225 has 24 divisors (see below), whose sum is σ = 744813440. Its totient is φ = 410253120.

The previous prime is 556651223. The next prime is 556651241. The reversal of 556651225 is 522156655.

556651225 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 556651225 - 2¹ = 556651223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556651223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199792 + ... + 202558.

Almost surely, 2^556651225 is an apocalyptic number.

It is an amenable number.

556651225 is a deficient number, since it is larger than the sum of its proper divisors (188162215).

556651225 is a wasteful number, since it uses less digits than its factorization.

556651225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409 (or 3404 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 556651225 is about 23593.4572498394. The cubic root of 556651225 is about 822.6107671949.

The spelling of 556651225 in words is "five hundred fifty-six million, six hundred fifty-one thousand, two hundred twenty-five".