244961 has 4 divisors (see below), whose sum is σ = 245952. Its totient is φ = 243972.

The previous prime is 244957. The next prime is 244997. The reversal of 244961 is 169442.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 244961 - 2² = 244957 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 244961.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 244961.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 738.

It is an arithmetic number, because the mean of its divisors is an integer number (61488).

2²⁴⁴⁹⁶¹ is an apocalyptic number.

It is an amenable number.

244961 is a deficient number, since it is larger than the sum of its proper divisors (991).

244961 is an equidigital number, since it uses as much as digits as its factorization.

244961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its digits is 1728, while the sum is 26.

The square root of 244961 is about 494.9353493134. The cubic root of 244961 is about 62.5699270674.

The spelling of 244961 in words is "two hundred forty-four thousand, nine hundred sixty-one".