244231561 has 8 divisors (see below), whose sum is σ = 286665920. Its totient is φ = 203683248.

The previous prime is 244231543. The next prime is 244231583. The reversal of 244231561 is 165132442.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244231561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244261561) 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, 471231 + ... + 471748.

It is an arithmetic number, because the mean of its divisors is an integer number (35833240).

Almost surely, 2^244231561 is an apocalyptic number.

It is an amenable number.

244231561 is a deficient number, since it is larger than the sum of its proper divisors (42434359).

244231561 is an equidigital number, since it uses as much as digits as its factorization.

244231561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943023.

The product of its digits is 5760, while the sum is 28.

The square root of 244231561 is about 15627.9096810802. The cubic root of 244231561 is about 625.0775890875.

The spelling of 244231561 in words is "two hundred forty-four million, two hundred thirty-one thousand, five hundred sixty-one".