252839938251 has 8 divisors (see below), whose sum is σ = 337666305744. Its totient is φ = 168286764800.

The previous prime is 252839938243. The next prime is 252839938259. The reversal of 252839938251 is 152839938252.

It is an interprime number because it is at equal distance from previous prime (252839938243) and next prime (252839938259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252839938251 - 2³ = 252839938243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252839938191 and 252839938200.

It is not an unprimeable number, because it can be changed into a prime (252839938259) 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 7 ways as a sum of consecutive naturals, for example, 68296350 + ... + 68300051.

It is an arithmetic number, because the mean of its divisors is an integer number (42208288218).

Almost surely, 2^252839938251 is an apocalyptic number.

252839938251 is a deficient number, since it is larger than the sum of its proper divisors (84826367493).

252839938251 is a wasteful number, since it uses less digits than its factorization.

252839938251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136597021.

The product of its digits is 9331200, while the sum is 57.

Subtracting from 252839938251 its reverse (152839938252), we obtain a palindrome (99999999999).

The spelling of 252839938251 in words is "two hundred fifty-two billion, eight hundred thirty-nine million, nine hundred thirty-eight thousand, two hundred fifty-one".