473280217 has 2 divisors, whose sum is σ = 473280218. Its totient is φ = 473280216.

The previous prime is 473280133. The next prime is 473280229. The reversal of 473280217 is 712082374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460917961 + 12362256 = 21469^2 + 3516^2 .

It is a cyclic number.

It is not a de Polignac number, because 473280217 - 2¹⁵ = 473247449 is a prime.

It is not a weakly prime, because it can be changed into another prime (473280617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236640108 + 236640109.

It is an arithmetic number, because the mean of its divisors is an integer number (236640109).

Almost surely, 2^473280217 is an apocalyptic number.

It is an amenable number.

473280217 is a deficient number, since it is larger than the sum of its proper divisors (1).

473280217 is an equidigital number, since it uses as much as digits as its factorization.

473280217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 473280217 is about 21755.0044127782. The cubic root of 473280217 is about 779.3025855763.

The spelling of 473280217 in words is "four hundred seventy-three million, two hundred eighty thousand, two hundred seventeen".