252520251322 has 8 divisors (see below), whose sum is σ = 378783585972. Its totient is φ = 126259056000.

The previous prime is 252520251307. The next prime is 252520251331. The reversal of 252520251322 is 223152025252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 235866606921 + 16653644401 = 485661^2 + 129049^2 .

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197079 + ... + 737482.

Almost surely, 2^252520251322 is an apocalyptic number.

252520251322 is a deficient number, since it is larger than the sum of its proper divisors (126263334650).

252520251322 is a wasteful number, since it uses less digits than its factorization.

252520251322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069664.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 252520251322 its reverse (223152025252), we get a palindrome (475672276574).

The spelling of 252520251322 in words is "two hundred fifty-two billion, five hundred twenty million, two hundred fifty-one thousand, three hundred twenty-two".