252528030305 has 16 divisors (see below), whose sum is σ = 309503773440. Its totient is φ = 197709628032.

The previous prime is 252528030299. The next prime is 252528030341. The reversal of 252528030305 is 503030825252.

It is a cyclic number.

It is not a de Polignac number, because 252528030305 - 2⁸ = 252528030049 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 4118966 + ... + 4179824.

It is an arithmetic number, because the mean of its divisors is an integer number (19343985840).

Almost surely, 2^252528030305 is an apocalyptic number.

It is an amenable number.

252528030305 is a deficient number, since it is larger than the sum of its proper divisors (56975743135).

252528030305 is a wasteful number, since it uses less digits than its factorization.

252528030305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78568.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 252528030305 its reverse (503030825252), we get a palindrome (755558855557).

The spelling of 252528030305 in words is "two hundred fifty-two billion, five hundred twenty-eight million, thirty thousand, three hundred five".