475000217 has 2 divisors, whose sum is σ = 475000218. Its totient is φ = 475000216.

The previous prime is 475000199. The next prime is 475000237. The reversal of 475000217 is 712000574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323316361 + 151683856 = 17981^2 + 12316^2 .

It is a cyclic number.

It is not a de Polignac number, because 475000217 - 2²² = 470805913 is a prime.

It is not a weakly prime, because it can be changed into another prime (475000237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237500108 + 237500109.

It is an arithmetic number, because the mean of its divisors is an integer number (237500109).

Almost surely, 2^475000217 is an apocalyptic number.

It is an amenable number.

475000217 is a deficient number, since it is larger than the sum of its proper divisors (1).

475000217 is an equidigital number, since it uses as much as digits as its factorization.

475000217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 475000217 is about 21794.4996960242. The cubic root of 475000217 is about 780.2454941702.

The spelling of 475000217 in words is "four hundred seventy-five million, two hundred seventeen", and thus it is an aban number.