244691253 has 16 divisors (see below), whose sum is σ = 381585600. Its totient is φ = 154541520.

The previous prime is 244691243. The next prime is 244691261. The reversal of 244691253 is 352196442.

It is a happy number.

It is not a de Polignac number, because 244691253 - 2⁶ = 244691189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244691243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237978 + ... + 239003.

It is an arithmetic number, because the mean of its divisors is an integer number (23849100).

Almost surely, 2^244691253 is an apocalyptic number.

It is an amenable number.

244691253 is a deficient number, since it is larger than the sum of its proper divisors (136894347).

244691253 is a wasteful number, since it uses less digits than its factorization.

244691253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477009 (or 477003 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 244691253 is about 15642.6101722187. The cubic root of 244691253 is about 625.4695164253.

The spelling of 244691253 in words is "two hundred forty-four million, six hundred ninety-one thousand, two hundred fifty-three".