244241313257 has 2 divisors, whose sum is σ = 244241313258. Its totient is φ = 244241313256.

The previous prime is 244241313233. The next prime is 244241313313. The reversal of 244241313257 is 752313142442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229497525481 + 14743787776 = 479059^2 + 121424^2 .

It is a cyclic number.

It is not a de Polignac number, because 244241313257 - 2⁶ = 244241313193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244241313257.

It is not a weakly prime, because it can be changed into another prime (244241313227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122120656628 + 122120656629.

It is an arithmetic number, because the mean of its divisors is an integer number (122120656629).

Almost surely, 2^244241313257 is an apocalyptic number.

It is an amenable number.

244241313257 is a deficient number, since it is larger than the sum of its proper divisors (1).

244241313257 is an equidigital number, since it uses as much as digits as its factorization.

244241313257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 38.

Adding to 244241313257 its reverse (752313142442), we get a palindrome (996554455699).

The spelling of 244241313257 in words is "two hundred forty-four billion, two hundred forty-one million, three hundred thirteen thousand, two hundred fifty-seven".