8701321 has 2 divisors, whose sum is σ = 8701322. Its totient is φ = 8701320.

The previous prime is 8701309. The next prime is 8701349. The reversal of 8701321 is 1231078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8620096 + 81225 = 2936^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 8701321 - 2⁵ = 8701289 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8701292 and 8701301.

It is not a weakly prime, because it can be changed into another prime (8701391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4350660 + 4350661.

It is an arithmetic number, because the mean of its divisors is an integer number (4350661).

Almost surely, 2^8701321 is an apocalyptic number.

It is an amenable number.

8701321 is a deficient number, since it is larger than the sum of its proper divisors (1).

8701321 is an equidigital number, since it uses as much as digits as its factorization.

8701321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 8701321 is about 2949.8001627229. The cubic root of 8701321 is about 205.6814207262.

Adding to 8701321 its reverse (1231078), we get a palindrome (9932399).

The spelling of 8701321 in words is "eight million, seven hundred one thousand, three hundred twenty-one".