244987241 has 2 divisors, whose sum is σ = 244987242. Its totient is φ = 244987240.

The previous prime is 244987231. The next prime is 244987243. The reversal of 244987241 is 142789442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240870400 + 4116841 = 15520^2 + 2029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244987241 is a prime.

Together with 244987243, 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 (244987243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122493620 + 122493621.

It is an arithmetic number, because the mean of its divisors is an integer number (122493621).

Almost surely, 2^244987241 is an apocalyptic number.

It is an amenable number.

244987241 is a deficient number, since it is larger than the sum of its proper divisors (1).

244987241 is an equidigital number, since it uses as much as digits as its factorization.

244987241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The square root of 244987241 is about 15652.0682658874. The cubic root of 244987241 is about 625.7216121741.

The spelling of 244987241 in words is "two hundred forty-four million, nine hundred eighty-seven thousand, two hundred forty-one".