244813 has 2 divisors, whose sum is σ = 244814. Its totient is φ = 244812.

The previous prime is 244787. The next prime is 244837. The reversal of 244813 is 318442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243049 + 1764 = 493^2 + 42^2 .

It is a cyclic number.

It is not a de Polignac number, because 244813 - 2⁵ = 244781 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122406 + 122407.

It is an arithmetic number, because the mean of its divisors is an integer number (122407).

2²⁴⁴⁸¹³ is an apocalyptic number.

It is an amenable number.

244813 is a deficient number, since it is larger than the sum of its proper divisors (1).

244813 is an equidigital number, since it uses as much as digits as its factorization.

244813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 22.

The square root of 244813 is about 494.7858122461. The cubic root of 244813 is about 62.5573234084.

The spelling of 244813 in words is "two hundred forty-four thousand, eight hundred thirteen".