2080321 has 2 divisors, whose sum is σ = 2080322.
Its totient is φ = 2080320.
The previous prime is 2080289. The next prime is 2080339. The reversal of 2080321 is 1230802.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2062096 + 18225 = 1436^2 + 135^2
It is a cyclic number.
It is not a de Polignac number, because 2080321 - 25 = 2080289 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2080295 and 2080304.
It is not a weakly prime, because it can be changed into another prime (2080391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040160 + 1040161.
It is an arithmetic number, because the mean of its divisors is an integer number (1040161).
22080321 is an apocalyptic number.
It is an amenable number.
2080321 is a deficient number, since it is larger than the sum of its proper divisors (1).
2080321 is an equidigital number, since it uses as much as digits as its factorization.
2080321 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 2080321 is about 1442.3317926192.
The cubic root of 2080321 is about 127.6566522544.
It can be divided in two parts, 2080 and 321, that added together give a 4-th power (2401 = 74).
The spelling of 2080321 in words is "two million, eighty thousand, three hundred twenty-one".