244236401 has 2 divisors, whose sum is σ = 244236402. Its totient is φ = 244236400.

The previous prime is 244236361. The next prime is 244236403. The reversal of 244236401 is 104632442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170276401 + 73960000 = 13049^2 + 8600^2 .

It is a cyclic number.

It is not a de Polignac number, because 244236401 - 2²² = 240042097 is a prime.

Together with 244236403, 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 (244236403) 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, 122118200 + 122118201.

It is an arithmetic number, because the mean of its divisors is an integer number (122118201).

Almost surely, 2^244236401 is an apocalyptic number.

It is an amenable number.

244236401 is a deficient number, since it is larger than the sum of its proper divisors (1).

244236401 is an equidigital number, since it uses as much as digits as its factorization.

244236401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 244236401 is about 15628.0645314767. The cubic root of 244236401 is about 625.0817181683.

Adding to 244236401 its reverse (104632442), we get a palindrome (348868843).

The spelling of 244236401 in words is "two hundred forty-four million, two hundred thirty-six thousand, four hundred one".