1980283 has 2 divisors, whose sum is σ = 1980284. Its totient is φ = 1980282.

The previous prime is 1980281. The next prime is 1980289. The reversal of 1980283 is 3820891.

It is a weak prime.

It is an emirp because it is prime and its reverse (3820891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1980283 - 2¹ = 1980281 is a prime.

Together with 1980281, it forms a pair of twin primes.

1980283 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1980281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990141 + 990142.

It is an arithmetic number, because the mean of its divisors is an integer number (990142).

2^1980283 is an apocalyptic number.

1980283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980283 is an equidigital number, since it uses as much as digits as its factorization.

1980283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1980283 is about 1407.2252840253. The cubic root of 1980283 is about 125.5767058576.

The spelling of 1980283 in words is "one million, nine hundred eighty thousand, two hundred eighty-three".