252775525504 has 16 divisors (see below), whose sum is σ = 503576242470. Its totient is φ = 126387762688.

The previous prime is 252775525501. The next prime is 252775525511. The reversal of 252775525504 is 405525577252.

It can be written as a sum of positive squares in only one way, i.e., 155835457600 + 96940067904 = 394760^2 + 311352^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (252775525501) by changing a digit.

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 as a sum of consecutive naturals, namely, 987404269 + ... + 987404524.

Almost surely, 2^252775525504 is an apocalyptic number.

It is an amenable number.

252775525504 is a deficient number, since it is larger than the sum of its proper divisors (250800716966).

252775525504 is an equidigital number, since it uses as much as digits as its factorization.

252775525504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974808807 (or 1974808795 counting only the distinct ones).

The product of its (nonzero) digits is 4900000, while the sum is 49.

The spelling of 252775525504 in words is "two hundred fifty-two billion, seven hundred seventy-five million, five hundred twenty-five thousand, five hundred four".