556425243 has 12 divisors (see below), whose sum is σ = 876791448. Its totient is φ = 337227360.

The previous prime is 556425239. The next prime is 556425281. The reversal of 556425243 is 342524655.

556425243 is a `hidden beast` number, since 5 + 5 + 642 + 5 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 556425243 - 2² = 556425239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556425198 and 556425207.

It is not an unprimeable number, because it can be changed into a prime (556425643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2810130 + ... + 2810327.

It is an arithmetic number, because the mean of its divisors is an integer number (73065954).

Almost surely, 2^556425243 is an apocalyptic number.

556425243 is a deficient number, since it is larger than the sum of its proper divisors (320366205).

556425243 is a wasteful number, since it uses less digits than its factorization.

556425243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620474 (or 5620471 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 556425243 is about 23588.6676817492. The cubic root of 556425243 is about 822.4994345330.

Adding to 556425243 its reverse (342524655), we get a palindrome (898949898).

The spelling of 556425243 in words is "five hundred fifty-six million, four hundred twenty-five thousand, two hundred forty-three".