478503211 has 2 divisors, whose sum is σ = 478503212. Its totient is φ = 478503210.

The previous prime is 478503143. The next prime is 478503227. The reversal of 478503211 is 112305874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478503211 - 2¹⁹ = 477978923 is a prime.

It is not a weakly prime, because it can be changed into another prime (478503911) 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 as a sum of consecutive naturals, namely, 239251605 + 239251606.

It is an arithmetic number, because the mean of its divisors is an integer number (239251606).

Almost surely, 2^478503211 is an apocalyptic number.

478503211 is a deficient number, since it is larger than the sum of its proper divisors (1).

478503211 is an equidigital number, since it uses as much as digits as its factorization.

478503211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 478503211 is about 21874.7162495882. The cubic root of 478503211 is about 782.1588293150.

The spelling of 478503211 in words is "four hundred seventy-eight million, five hundred three thousand, two hundred eleven".