7352321 has 2 divisors, whose sum is σ = 7352322. Its totient is φ = 7352320.

The previous prime is 7352299. The next prime is 7352333. The reversal of 7352321 is 1232537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4906225 + 2446096 = 2215^2 + 1564^2 .

It is an emirp because it is prime and its reverse (1232537) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7352321 - 2¹⁸ = 7090177 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7352621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3676160 + 3676161.

It is an arithmetic number, because the mean of its divisors is an integer number (3676161).

It is a Proth number, since it is equal to 1795 ⋅ 2¹² + 1 and 1795 < 2¹².

Almost surely, 2^7352321 is an apocalyptic number.

It is an amenable number.

7352321 is a deficient number, since it is larger than the sum of its proper divisors (1).

7352321 is an equidigital number, since it uses as much as digits as its factorization.

7352321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 23.

The square root of 7352321 is about 2711.5163654310. The cubic root of 7352321 is about 194.4500921595.

Adding to 7352321 its reverse (1232537), we get a palindrome (8584858).

The spelling of 7352321 in words is "seven million, three hundred fifty-two thousand, three hundred twenty-one".