8473321 has 2 divisors, whose sum is σ = 8473322. Its totient is φ = 8473320.

The previous prime is 8473277. The next prime is 8473337. The reversal of 8473321 is 1233748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 1392400 = 2661^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 8473321 - 2²³ = 84713 is a prime.

It is equal to p₅₆₉₄₂₂ and since 8473321 and 569422 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8473321.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8473351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4236660 + 4236661.

It is an arithmetic number, because the mean of its divisors is an integer number (4236661).

Almost surely, 2^8473321 is an apocalyptic number.

It is an amenable number.

8473321 is a deficient number, since it is larger than the sum of its proper divisors (1).

8473321 is an equidigital number, since it uses as much as digits as its factorization.

8473321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 8473321 is about 2910.8969408071. The cubic root of 8473321 is about 203.8690127335.

The spelling of 8473321 in words is "eight million, four hundred seventy-three thousand, three hundred twenty-one".