530555521025 has 12 divisors (see below), whose sum is σ = 658753375404. Its totient is φ = 423886656000.

The previous prime is 530555520997. The next prime is 530555521039. The reversal of 530555521025 is 520125555035.

It can be written as a sum of positive squares in 6 ways, for example, as 38604783361 + 491950737664 = 196481^2 + 701392^2 .

It is not a de Polignac number, because 530555521025 - 2¹⁸ = 530555258881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 530555521025.

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 11 ways as a sum of consecutive naturals, for example, 13924616 + ... + 13962665.

It is an arithmetic number, because the mean of its divisors is an integer number (54896114617).

Almost surely, 2^530555521025 is an apocalyptic number.

It is an amenable number.

530555521025 is a deficient number, since it is larger than the sum of its proper divisors (128197854379).

530555521025 is a wasteful number, since it uses less digits than its factorization.

530555521025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27888052 (or 27888047 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 38.

The spelling of 530555521025 in words is "five hundred thirty billion, five hundred fifty-five million, five hundred twenty-one thousand, twenty-five".