632321 has 2 divisors, whose sum is σ = 632322. Its totient is φ = 632320.

The previous prime is 632299. The next prime is 632323. The reversal of 632321 is 123236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442225 + 190096 = 665^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 632321 - 2⁶ = 632257 is a prime.

It is a Sophie Germain prime.

Together with 632323, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 632321.

It is not a weakly prime, because it can be changed into another prime (632323) 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, 316160 + 316161.

It is an arithmetic number, because the mean of its divisors is an integer number (316161).

2⁶³²³²¹ is an apocalyptic number.

It is an amenable number.

632321 is a deficient number, since it is larger than the sum of its proper divisors (1).

632321 is an equidigital number, since it uses as much as digits as its factorization.

632321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 17.

The square root of 632321 is about 795.1861417303. The cubic root of 632321 is about 85.8313351930.

Adding to 632321 its reverse (123236), we get a palindrome (755557).

The spelling of 632321 in words is "six hundred thirty-two thousand, three hundred twenty-one".