244900213 has 2 divisors, whose sum is σ = 244900214. Its totient is φ = 244900212.

The previous prime is 244900207. The next prime is 244900231. The reversal of 244900213 is 312009442.

Together with next prime (244900231) 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., 241429444 + 3470769 = 15538^2 + 1863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244900213 is a prime.

It is a super-2 number, since 2×244900213² = 119952228654890738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244900613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122450106 + 122450107.

It is an arithmetic number, because the mean of its divisors is an integer number (122450107).

Almost surely, 2^244900213 is an apocalyptic number.

It is an amenable number.

244900213 is a deficient number, since it is larger than the sum of its proper divisors (1).

244900213 is an equidigital number, since it uses as much as digits as its factorization.

244900213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 244900213 is about 15649.2879390725. The cubic root of 244900213 is about 625.6475106962.

Adding to 244900213 its reverse (312009442), we get a palindrome (556909655).

The spelling of 244900213 in words is "two hundred forty-four million, nine hundred thousand, two hundred thirteen".