252246144403 has 4 divisors (see below), whose sum is σ = 275177612088. Its totient is φ = 229314676720.

The previous prime is 252246144401. The next prime is 252246144439. The reversal of 252246144403 is 304441642252.

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

It is a cyclic number.

It is not a de Polignac number, because 252246144403 - 2¹ = 252246144401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252246144401) 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, 11465733826 + ... + 11465733847.

It is an arithmetic number, because the mean of its divisors is an integer number (68794403022).

Almost surely, 2^252246144403 is an apocalyptic number.

252246144403 is a deficient number, since it is larger than the sum of its proper divisors (22931467685).

252246144403 is a wasteful number, since it uses less digits than its factorization.

252246144403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22931467684.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 252246144403 its reverse (304441642252), we get a palindrome (556687786655).

The spelling of 252246144403 in words is "two hundred fifty-two billion, two hundred forty-six million, one hundred forty-four thousand, four hundred three".