478214593 has 2 divisors, whose sum is σ = 478214594. Its totient is φ = 478214592.

The previous prime is 478214557. The next prime is 478214599. The reversal of 478214593 is 395412874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474891264 + 3323329 = 21792^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 478214593 - 2¹⁷ = 478083521 is a prime.

It is not a weakly prime, because it can be changed into another prime (478214599) 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, 239107296 + 239107297.

It is an arithmetic number, because the mean of its divisors is an integer number (239107297).

Almost surely, 2^478214593 is an apocalyptic number.

It is an amenable number.

478214593 is a deficient number, since it is larger than the sum of its proper divisors (1).

478214593 is an equidigital number, since it uses as much as digits as its factorization.

478214593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 478214593 is about 21868.1181860717. The cubic root of 478214593 is about 782.0015398657.

The spelling of 478214593 in words is "four hundred seventy-eight million, two hundred fourteen thousand, five hundred ninety-three".