244661897 has 2 divisors, whose sum is σ = 244661898. Its totient is φ = 244661896.

The previous prime is 244661881. The next prime is 244661903. The reversal of 244661897 is 798166442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228493456 + 16168441 = 15116^2 + 4021^2 .

It is a cyclic number.

It is not a de Polignac number, because 244661897 - 2⁴ = 244661881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244661867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122330948 + 122330949.

It is an arithmetic number, because the mean of its divisors is an integer number (122330949).

Almost surely, 2^244661897 is an apocalyptic number.

It is an amenable number.

244661897 is a deficient number, since it is larger than the sum of its proper divisors (1).

244661897 is an equidigital number, since it uses as much as digits as its factorization.

244661897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 244661897 is about 15641.6718096244. The cubic root of 244661897 is about 625.4445025663. Note that the first 3 decimals are identical.

The spelling of 244661897 in words is "two hundred forty-four million, six hundred sixty-one thousand, eight hundred ninety-seven".