471209 has 2 divisors, whose sum is σ = 471210. Its totient is φ = 471208.

The previous prime is 471193. The next prime is 471217. The reversal of 471209 is 902174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313600 + 157609 = 560^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 471209 - 2⁴ = 471193 is a prime.

It is not a weakly prime, because it can be changed into another prime (471259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235604 + 235605.

It is an arithmetic number, because the mean of its divisors is an integer number (235605).

2⁴⁷¹²⁰⁹ is an apocalyptic number.

It is an amenable number.

471209 is a deficient number, since it is larger than the sum of its proper divisors (1).

471209 is an equidigital number, since it uses as much as digits as its factorization.

471209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 471209 is about 686.4466475991. The cubic root of 471209 is about 77.8164102109.

The spelling of 471209 in words is "four hundred seventy-one thousand, two hundred nine".