3001321 has 2 divisors, whose sum is σ = 3001322. Its totient is φ = 3001320.

The previous prime is 3001303. The next prime is 3001351. The reversal of 3001321 is 1231003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 1413721 = 1260^2 + 1189^2 .

It is an emirp because it is prime and its reverse (1231003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3001321 - 2¹⁷ = 2870249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3001298 and 3001307.

It is not a weakly prime, because it can be changed into another prime (3001351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500660 + 1500661.

It is an arithmetic number, because the mean of its divisors is an integer number (1500661).

Almost surely, 2^3001321 is an apocalyptic number.

It is an amenable number.

3001321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3001321 is an equidigital number, since it uses as much as digits as its factorization.

3001321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 3001321 is about 1732.4321054518. The cubic root of 3001321 is about 144.2461229431.

Adding to 3001321 its reverse (1231003), we get a palindrome (4232324).

The spelling of 3001321 in words is "three million, one thousand, three hundred twenty-one".