244660253 has 4 divisors (see below), whose sum is σ = 244740348. Its totient is φ = 244580160.

The previous prime is 244660187. The next prime is 244660259. The reversal of 244660253 is 352066442.

244660253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78198649 + 166461604 = 8843^2 + 12902^2 .

It is a cyclic number.

It is not a de Polignac number, because 244660253 - 2¹² = 244656157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244660259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35276 + ... + 41637.

It is an arithmetic number, because the mean of its divisors is an integer number (61185087).

Almost surely, 2^244660253 is an apocalyptic number.

It is an amenable number.

244660253 is a deficient number, since it is larger than the sum of its proper divisors (80095).

244660253 is an equidigital number, since it uses as much as digits as its factorization.

244660253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80094.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 244660253 is about 15641.6192576088. The cubic root of 244660253 is about 625.4431016765.

The spelling of 244660253 in words is "two hundred forty-four million, six hundred sixty thousand, two hundred fifty-three".