244981 has 4 divisors (see below), whose sum is σ = 267264. Its totient is φ = 222700.

The previous prime is 244957. The next prime is 244997. The reversal of 244981 is 189442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244981 - 2¹⁷ = 113909 is a prime.

It is a super-2 number, since 2×244981² = 120031380722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11125 + ... + 11146.

It is an arithmetic number, because the mean of its divisors is an integer number (66816).

2²⁴⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

244981 is a deficient number, since it is larger than the sum of its proper divisors (22283).

244981 is a wasteful number, since it uses less digits than its factorization.

244981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22282.

The product of its digits is 2304, while the sum is 28.

The square root of 244981 is about 494.9555535601. The cubic root of 244981 is about 62.5716298752.

It can be divided in two parts, 244 and 981, that added together give a triangular number (1225 = T₄₉).

The spelling of 244981 in words is "two hundred forty-four thousand, nine hundred eighty-one".