244565 has 8 divisors (see below), whose sum is σ = 300888. Its totient is φ = 190720.

The previous prime is 244561. The next prime is 244567. The reversal of 244565 is 565442.

It can be written as a sum of positive squares in 4 ways, for example, as 529 + 244036 = 23^2 + 494^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244565 - 2² = 244561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392 + ... + 801.

It is an arithmetic number, because the mean of its divisors is an integer number (37611).

2²⁴⁴⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

244565 is a deficient number, since it is larger than the sum of its proper divisors (56323).

244565 is a wasteful number, since it uses less digits than its factorization.

244565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

The product of its digits is 4800, while the sum is 26.

The square root of 244565 is about 494.5351352533. The cubic root of 244565 is about 62.5361923711.

The spelling of 244565 in words is "two hundred forty-four thousand, five hundred sixty-five".