556713473 has 2 divisors, whose sum is σ = 556713474. Its totient is φ = 556713472.

The previous prime is 556713463. The next prime is 556713491. The reversal of 556713473 is 374317655.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441966529 + 114746944 = 21023^2 + 10712^2 .

It is a cyclic number.

It is not a de Polignac number, because 556713473 - 2¹⁶ = 556647937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 556713473.

It is not a weakly prime, because it can be changed into another prime (556713463) 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 as a sum of consecutive naturals, namely, 278356736 + 278356737.

It is an arithmetic number, because the mean of its divisors is an integer number (278356737).

Almost surely, 2^556713473 is an apocalyptic number.

It is an amenable number.

556713473 is a deficient number, since it is larger than the sum of its proper divisors (1).

556713473 is an equidigital number, since it uses as much as digits as its factorization.

556713473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 41.

The square root of 556713473 is about 23594.7763922441. The cubic root of 556713473 is about 822.6414291032.

The spelling of 556713473 in words is "five hundred fifty-six million, seven hundred thirteen thousand, four hundred seventy-three".