244381 has 2 divisors, whose sum is σ = 244382. Its totient is φ = 244380.

The previous prime is 244379. The next prime is 244393. The reversal of 244381 is 183442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217156 + 27225 = 466^2 + 165^2 .

It is a cyclic number.

It is not a de Polignac number, because 244381 - 2¹ = 244379 is a prime.

It is a super-2 number, since 2×244381² = 119444146322, which contains 22 as substring.

Together with 244379, it forms a pair of twin primes.

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 (244301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122190 + 122191.

It is an arithmetic number, because the mean of its divisors is an integer number (122191).

2²⁴⁴³⁸¹ is an apocalyptic number.

It is an amenable number.

244381 is a deficient number, since it is larger than the sum of its proper divisors (1).

244381 is an equidigital number, since it uses as much as digits as its factorization.

244381 is an evil number, because the sum of its binary digits is even.

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

The square root of 244381 is about 494.3490669557. The cubic root of 244381 is about 62.5205052718.

It can be divided in two parts, 244 and 381, that added together give a 4-th power (625 = 5⁴).

The spelling of 244381 in words is "two hundred forty-four thousand, three hundred eighty-one".