252313256522 has 16 divisors (see below), whose sum is σ = 400836071880. Its totient is φ = 118705056768.

The previous prime is 252313256513. The next prime is 252313256543. The reversal of 252313256522 is 225652313252.

252313256522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 236214468361 + 16098788161 = 486019^2 + 126881^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 821873 + ... + 1086324.

Almost surely, 2^252313256522 is an apocalyptic number.

252313256522 is a deficient number, since it is larger than the sum of its proper divisors (148522815358).

252313256522 is a wasteful number, since it uses less digits than its factorization.

252313256522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912105.

The product of its digits is 216000, while the sum is 38.

Adding to 252313256522 its reverse (225652313252), we get a palindrome (477965569774).

The spelling of 252313256522 in words is "two hundred fifty-two billion, three hundred thirteen million, two hundred fifty-six thousand, five hundred twenty-two".