471206917 has 2 divisors, whose sum is σ = 471206918. Its totient is φ = 471206916.

The previous prime is 471206909. The next prime is 471206927. The reversal of 471206917 is 719602174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376903396 + 94303521 = 19414^2 + 9711^2 .

It is a cyclic number.

It is not a de Polignac number, because 471206917 - 2³ = 471206909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471206927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235603458 + 235603459.

It is an arithmetic number, because the mean of its divisors is an integer number (235603459).

Almost surely, 2^471206917 is an apocalyptic number.

It is an amenable number.

471206917 is a deficient number, since it is larger than the sum of its proper divisors (1).

471206917 is an equidigital number, since it uses as much as digits as its factorization.

471206917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 471206917 is about 21707.3010068041. The cubic root of 471206917 is about 778.1629554708.

The spelling of 471206917 in words is "four hundred seventy-one million, two hundred six thousand, nine hundred seventeen".