252404522500 has 60 divisors (see below), whose sum is σ = 594416610172. Its totient is φ = 93195504000.

The previous prime is 252404522471. The next prime is 252404522521. The reversal of 252404522500 is 5225404252.

252404522500 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 10 ways, for example, as 250034001156 + 2370521344 = 500034^2 + 48688^2 .

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 19 ways as a sum of consecutive naturals, for example, 3850647 + ... + 3915646.

Almost surely, 2^252404522500 is an apocalyptic number.

252404522500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252404522500 is an abundant number, since it is smaller than the sum of its proper divisors (342012087672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252404522500 is a wasteful number, since it uses less digits than its factorization.

252404522500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766330 (or 7766313 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

Adding to 252404522500 its reverse (5225404252), we get a palindrome (257629926752).

The spelling of 252404522500 in words is "two hundred fifty-two billion, four hundred four million, five hundred twenty-two thousand, five hundred".