479481217 has 2 divisors, whose sum is σ = 479481218. Its totient is φ = 479481216.

The previous prime is 479481137. The next prime is 479481221. The reversal of 479481217 is 712184974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254211136 + 225270081 = 15944^2 + 15009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479481217 is a prime.

It is not a weakly prime, because it can be changed into another prime (479481227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239740608 + 239740609.

It is an arithmetic number, because the mean of its divisors is an integer number (239740609).

Almost surely, 2^479481217 is an apocalyptic number.

It is an amenable number.

479481217 is a deficient number, since it is larger than the sum of its proper divisors (1).

479481217 is an equidigital number, since it uses as much as digits as its factorization.

479481217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 43.

The square root of 479481217 is about 21897.0595514558. The cubic root of 479481217 is about 782.6913478300.

The spelling of 479481217 in words is "four hundred seventy-nine million, four hundred eighty-one thousand, two hundred seventeen".