252505231522 has 8 divisors (see below), whose sum is σ = 378766962000. Its totient is φ = 126249577524.

The previous prime is 252505231501. The next prime is 252505231543. The reversal of 252505231522 is 225132505252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (252505231501) and next prime (252505231543).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413772 + ... + 1582327.

It is an arithmetic number, because the mean of its divisors is an integer number (47345870250).

Almost surely, 2^252505231522 is an apocalyptic number.

252505231522 is a deficient number, since it is larger than the sum of its proper divisors (126261730478).

252505231522 is a wasteful number, since it uses less digits than its factorization.

252505231522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038240.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 252505231522 its reverse (225132505252), we get a palindrome (477637736774).

The spelling of 252505231522 in words is "two hundred fifty-two billion, five hundred five million, two hundred thirty-one thousand, five hundred twenty-two".