983228249 has 2 divisors, whose sum is σ = 983228250. Its totient is φ = 983228248.

The previous prime is 983228237. The next prime is 983228251. The reversal of 983228249 is 942822389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765518224 + 217710025 = 27668^2 + 14755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-983228249 is a prime.

Together with 983228251, 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 (983228299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491614124 + 491614125.

It is an arithmetic number, because the mean of its divisors is an integer number (491614125).

Almost surely, 2^983228249 is an apocalyptic number.

It is an amenable number.

983228249 is a deficient number, since it is larger than the sum of its proper divisors (1).

983228249 is an equidigital number, since it uses as much as digits as its factorization.

983228249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The square root of 983228249 is about 31356.4706081536. The cubic root of 983228249 is about 994.3778671915.

The spelling of 983228249 in words is "nine hundred eighty-three million, two hundred twenty-eight thousand, two hundred forty-nine".