471712321 has 2 divisors, whose sum is σ = 471712322. Its totient is φ = 471712320.

The previous prime is 471712273. The next prime is 471712333. The reversal of 471712321 is 123217174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470412721 + 1299600 = 21689^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 471712321 - 2¹⁷ = 471581249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 471712321.

It is not a weakly prime, because it can be changed into another prime (471712121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235856160 + 235856161.

It is an arithmetic number, because the mean of its divisors is an integer number (235856161).

Almost surely, 2^471712321 is an apocalyptic number.

It is an amenable number.

471712321 is a deficient number, since it is larger than the sum of its proper divisors (1).

471712321 is an equidigital number, since it uses as much as digits as its factorization.

471712321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 471712321 is about 21718.9392236361. The cubic root of 471712321 is about 778.4410683551.

Adding to 471712321 its reverse (123217174), we get a palindrome (594929495).

The spelling of 471712321 in words is "four hundred seventy-one million, seven hundred twelve thousand, three hundred twenty-one".