556281245 has 12 divisors (see below), whose sum is σ = 722837556. Its totient is φ = 410791680.

The previous prime is 556281241. The next prime is 556281247. The reversal of 556281245 is 542182655.

It can be written as a sum of positive squares in 6 ways, for example, as 248945284 + 307335961 = 15778^2 + 17531^2 .

It is not a de Polignac number, because 556281245 - 2² = 556281241 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 556281199 and 556281208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556281241) 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 11 ways as a sum of consecutive naturals, for example, 328316 + ... + 330005.

It is an arithmetic number, because the mean of its divisors is an integer number (60236463).

Almost surely, 2^556281245 is an apocalyptic number.

It is an amenable number.

556281245 is a deficient number, since it is larger than the sum of its proper divisors (166556311).

556281245 is a wasteful number, since it uses less digits than its factorization.

556281245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658352 (or 658339 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 556281245 is about 23585.6152135152. The cubic root of 556281245 is about 822.4284765182.

The spelling of 556281245 in words is "five hundred fifty-six million, two hundred eighty-one thousand, two hundred forty-five".