244752661 has 4 divisors (see below), whose sum is σ = 257634400. Its totient is φ = 231870924.

The previous prime is 244752659. The next prime is 244752701. The reversal of 244752661 is 166257442.

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 244752661 - 2¹ = 244752659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244752661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244752061) 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, 6440841 + ... + 6440878.

It is an arithmetic number, because the mean of its divisors is an integer number (64408600).

Almost surely, 2^244752661 is an apocalyptic number.

It is an amenable number.

244752661 is a deficient number, since it is larger than the sum of its proper divisors (12881739).

244752661 is a wasteful number, since it uses less digits than its factorization.

244752661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12881738.

The product of its digits is 80640, while the sum is 37.

The square root of 244752661 is about 15644.5728928597. The cubic root of 244752661 is about 625.5218349001.

The spelling of 244752661 in words is "two hundred forty-four million, seven hundred fifty-two thousand, six hundred sixty-one".