244968565 has 4 divisors (see below), whose sum is σ = 293962284. Its totient is φ = 195974848.

The previous prime is 244968557. The next prime is 244968569. The reversal of 244968565 is 565869442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59382436 + 185586129 = 7706^2 + 13623^2 .

It is a cyclic number.

It is not a de Polignac number, because 244968565 - 2³ = 244968557 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244968569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24496852 + ... + 24496861.

It is an arithmetic number, because the mean of its divisors is an integer number (73490571).

Almost surely, 2^244968565 is an apocalyptic number.

It is an amenable number.

244968565 is a deficient number, since it is larger than the sum of its proper divisors (48993719).

244968565 is an equidigital number, since it uses as much as digits as its factorization.

244968565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48993718.

The product of its digits is 2073600, while the sum is 49.

The square root of 244968565 is about 15651.4716560456. The cubic root of 244968565 is about 625.7057116538.

The spelling of 244968565 in words is "two hundred forty-four million, nine hundred sixty-eight thousand, five hundred sixty-five".