471666231 has 6 divisors (see below), whose sum is σ = 681295680. Its totient is φ = 314444148.

The previous prime is 471666229. The next prime is 471666257. The reversal of 471666231 is 132666174.

It is a happy number.

It is not a de Polignac number, because 471666231 - 2¹ = 471666229 is a prime.

It is a super-2 number, since 2×471666231² = 444938066931490722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471666281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26203671 + ... + 26203688.

It is an arithmetic number, because the mean of its divisors is an integer number (113549280).

Almost surely, 2^471666231 is an apocalyptic number.

471666231 is a deficient number, since it is larger than the sum of its proper divisors (209629449).

471666231 is a wasteful number, since it uses less digits than its factorization.

471666231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52407365 (or 52407362 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 471666231 is about 21717.8781422127. The cubic root of 471666231 is about 778.4157142598.

The spelling of 471666231 in words is "four hundred seventy-one million, six hundred sixty-six thousand, two hundred thirty-one".