244535020253 has 4 divisors (see below), whose sum is σ = 244586822268. Its totient is φ = 244483218240.

The previous prime is 244535020183. The next prime is 244535020273. The reversal of 244535020253 is 352020535442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352020535442 = 2 ⋅176010267721.

It can be written as a sum of positive squares in 2 ways, for example, as 211653363364 + 32881656889 = 460058^2 + 181333^2 .

It is a cyclic number.

It is not a de Polignac number, because 244535020253 - 2¹² = 244535016157 is a prime.

It is a super-2 number, since 2×244535020253² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244535020273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25893926 + ... + 25903367.

It is an arithmetic number, because the mean of its divisors is an integer number (61146705567).

Almost surely, 2^244535020253 is an apocalyptic number.

It is an amenable number.

244535020253 is a deficient number, since it is larger than the sum of its proper divisors (51802015).

244535020253 is an equidigital number, since it uses as much as digits as its factorization.

244535020253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51802014.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 244535020253 its reverse (352020535442), we get a palindrome (596555555695).

The spelling of 244535020253 in words is "two hundred forty-four billion, five hundred thirty-five million, twenty thousand, two hundred fifty-three".