244172741 has 2 divisors, whose sum is σ = 244172742. Its totient is φ = 244172740.

The previous prime is 244172711. The next prime is 244172759. The reversal of 244172741 is 147271442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235499716 + 8673025 = 15346^2 + 2945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244172741 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_13377515 and since 244172741 and 13377515 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 244172698 and 244172707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244172701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122086370 + 122086371.

It is an arithmetic number, because the mean of its divisors is an integer number (122086371).

Almost surely, 2^244172741 is an apocalyptic number.

It is an amenable number.

244172741 is a deficient number, since it is larger than the sum of its proper divisors (1).

244172741 is an equidigital number, since it uses as much as digits as its factorization.

244172741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 32.

The square root of 244172741 is about 15626.0276782041. The cubic root of 244172741 is about 625.0274044517.

The spelling of 244172741 in words is "two hundred forty-four million, one hundred seventy-two thousand, seven hundred forty-one".