455321 has 2 divisors, whose sum is σ = 455322. Its totient is φ = 455320.

The previous prime is 455317. The next prime is 455333. The reversal of 455321 is 123554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265225 + 190096 = 515^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 455321 - 2² = 455317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₃₈₁₀₈ and since 455321 and 38108 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 455293 and 455302.

It is not a weakly prime, because it can be changed into another prime (455341) 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, 227660 + 227661.

It is an arithmetic number, because the mean of its divisors is an integer number (227661).

2⁴⁵⁵³²¹ is an apocalyptic number.

It is an amenable number.

455321 is a deficient number, since it is larger than the sum of its proper divisors (1).

455321 is an equidigital number, since it uses as much as digits as its factorization.

455321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 20.

The square root of 455321 is about 674.7747772405. The cubic root of 455321 is about 76.9317999595.

Adding to 455321 its reverse (123554), we get a palindrome (578875).

The spelling of 455321 in words is "four hundred fifty-five thousand, three hundred twenty-one".