475159609 has 2 divisors, whose sum is σ = 475159610. Its totient is φ = 475159608.

The previous prime is 475159583. The next prime is 475159649. The reversal of 475159609 is 906951574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327610000 + 147549609 = 18100^2 + 12147^2 .

It is a cyclic number.

It is not a de Polignac number, because 475159609 - 2¹⁹ = 474635321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475159649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237579804 + 237579805.

It is an arithmetic number, because the mean of its divisors is an integer number (237579805).

Almost surely, 2^475159609 is an apocalyptic number.

It is an amenable number.

475159609 is a deficient number, since it is larger than the sum of its proper divisors (1).

475159609 is an equidigital number, since it uses as much as digits as its factorization.

475159609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 475159609 is about 21798.1560917432. The cubic root of 475159609 is about 780.3327579772.

The spelling of 475159609 in words is "four hundred seventy-five million, one hundred fifty-nine thousand, six hundred nine".