244550213 has 2 divisors, whose sum is σ = 244550214. Its totient is φ = 244550212.

The previous prime is 244550209. The next prime is 244550231. The reversal of 244550213 is 312055442.

It is a happy number.

Together with next prime (244550231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183819364 + 60730849 = 13558^2 + 7793^2 .

It is a cyclic number.

It is not a de Polignac number, because 244550213 - 2² = 244550209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244550263) 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, 122275106 + 122275107.

It is an arithmetic number, because the mean of its divisors is an integer number (122275107).

Almost surely, 2^244550213 is an apocalyptic number.

It is an amenable number.

244550213 is a deficient number, since it is larger than the sum of its proper divisors (1).

244550213 is an equidigital number, since it uses as much as digits as its factorization.

244550213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 244550213 is about 15638.1013233704. The cubic root of 244550213 is about 625.3493198180.

The spelling of 244550213 in words is "two hundred forty-four million, five hundred fifty thousand, two hundred thirteen".