4097321 has 2 divisors, whose sum is σ = 4097322. Its totient is φ = 4097320.

The previous prime is 4097299. The next prime is 4097333. The reversal of 4097321 is 1237904.

4097321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 1651225 = 1564^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 4097321 - 2⁶ = 4097257 is a prime.

It is not a weakly prime, because it can be changed into another prime (4097371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048660 + 2048661.

It is an arithmetic number, because the mean of its divisors is an integer number (2048661).

Almost surely, 2^4097321 is an apocalyptic number.

It is an amenable number.

4097321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4097321 is an equidigital number, since it uses as much as digits as its factorization.

4097321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 4097321 is about 2024.1840331353. The cubic root of 4097321 is about 160.0171986721.

The spelling of 4097321 in words is "four million, ninety-seven thousand, three hundred twenty-one".