475809043 has 2 divisors, whose sum is σ = 475809044. Its totient is φ = 475809042.

The previous prime is 475808947. The next prime is 475809071. The reversal of 475809043 is 340908574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475809043 - 2¹⁷ = 475677971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 475808987 and 475809005.

It is not a weakly prime, because it can be changed into another prime (475809443) 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, 237904521 + 237904522.

It is an arithmetic number, because the mean of its divisors is an integer number (237904522).

Almost surely, 2^475809043 is an apocalyptic number.

475809043 is a deficient number, since it is larger than the sum of its proper divisors (1).

475809043 is an equidigital number, since it uses as much as digits as its factorization.

475809043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 475809043 is about 21813.0475404057. The cubic root of 475809043 is about 780.6881079890.

The spelling of 475809043 in words is "four hundred seventy-five million, eight hundred nine thousand, forty-three".