4856321 has 2 divisors, whose sum is σ = 4856322. Its totient is φ = 4856320.

The previous prime is 4856309. The next prime is 4856323. The reversal of 4856321 is 1236584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 1073296 = 1945^2 + 1036^2 .

It is a cyclic number.

It is not a de Polignac number, because 4856321 - 2¹⁰ = 4855297 is a prime.

Together with 4856323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4856323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428160 + 2428161.

It is an arithmetic number, because the mean of its divisors is an integer number (2428161).

Almost surely, 2^4856321 is an apocalyptic number.

It is an amenable number.

4856321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4856321 is an equidigital number, since it uses as much as digits as its factorization.

4856321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 4856321 is about 2203.7061963883. The cubic root of 4856321 is about 169.3437327849.

It can be divided in two parts, 48563 and 21, that added together give a palindrome (48584).

The spelling of 4856321 in words is "four million, eight hundred fifty-six thousand, three hundred twenty-one".