5320321 has 2 divisors, whose sum is σ = 5320322. Its totient is φ = 5320320.

The previous prime is 5320319. The next prime is 5320327. The reversal of 5320321 is 1230235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5130225 + 190096 = 2265^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 5320321 - 2¹ = 5320319 is a prime.

Together with 5320319, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5320295 and 5320304.

It is not a weakly prime, because it can be changed into another prime (5320327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660160 + 2660161.

It is an arithmetic number, because the mean of its divisors is an integer number (2660161).

Almost surely, 2^5320321 is an apocalyptic number.

It is an amenable number.

5320321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5320321 is an equidigital number, since it uses as much as digits as its factorization.

5320321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 5320321 is about 2306.5821034596. The cubic root of 5320321 is about 174.5738857290.

Adding to 5320321 its reverse (1230235), we get a palindrome (6550556).

The spelling of 5320321 in words is "five million, three hundred twenty thousand, three hundred twenty-one".