244641997 has 2 divisors, whose sum is σ = 244641998. Its totient is φ = 244641996.

The previous prime is 244641983. The next prime is 244642033. The reversal of 244641997 is 799146442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177582276 + 67059721 = 13326^2 + 8189^2 .

It is a cyclic number.

It is not a de Polignac number, because 244641997 - 2²³ = 236253389 is a prime.

It is a super-2 number, since 2×244641997² = 119699413392296018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244641097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122320998 + 122320999.

It is an arithmetic number, because the mean of its divisors is an integer number (122320999).

Almost surely, 2^244641997 is an apocalyptic number.

It is an amenable number.

244641997 is a deficient number, since it is larger than the sum of its proper divisors (1).

244641997 is an equidigital number, since it uses as much as digits as its factorization.

244641997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 244641997 is about 15641.0356754276. The cubic root of 244641997 is about 625.4275449019.

The spelling of 244641997 in words is "two hundred forty-four million, six hundred forty-one thousand, nine hundred ninety-seven".