252436634252 has 12 divisors (see below), whose sum is σ = 481924483656. Its totient is φ = 114743924640.

The previous prime is 252436634231. The next prime is 252436634257.

It is a happy number.

252436634252 is nontrivially palindromic in base 10.

252436634252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 5737196233 = 252436634252 / (2 + 5 + 2 + 4 + 3 + 6 + 6 + 3 + 4 + 2 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (252436634257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2868598073 + ... + 2868598160.

It is an arithmetic number, because the mean of its divisors is an integer number (40160373638).

Almost surely, 2^252436634252 is an apocalyptic number.

252436634252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252436634252 is a deficient number, since it is larger than the sum of its proper divisors (229487849404).

252436634252 is a wasteful number, since it uses less digits than its factorization.

252436634252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737196248 (or 5737196246 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 44.

It can be divided in two parts, 252436 and 634252, that added together give a palindrome (886688).

The spelling of 252436634252 in words is "two hundred fifty-two billion, four hundred thirty-six million, six hundred thirty-four thousand, two hundred fifty-two".