244082981 has 2 divisors, whose sum is σ = 244082982. Its totient is φ = 244082980.

The previous prime is 244082959. The next prime is 244082983. The reversal of 244082981 is 189280442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243672100 + 410881 = 15610^2 + 641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244082981 is a prime.

It is a super-2 number, since 2×244082981² = 119153003227692722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 244082983, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244082983) 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, 122041490 + 122041491.

It is an arithmetic number, because the mean of its divisors is an integer number (122041491).

Almost surely, 2^244082981 is an apocalyptic number.

It is an amenable number.

244082981 is a deficient number, since it is larger than the sum of its proper divisors (1).

244082981 is an equidigital number, since it uses as much as digits as its factorization.

244082981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 244082981 is about 15623.1552831046. The cubic root of 244082981 is about 624.9508065814.

The spelling of 244082981 in words is "two hundred forty-four million, eighty-two thousand, nine hundred eighty-one".