530369910225 has 81 divisors (see below), whose sum is σ = 971533705233. Its totient is φ = 276577568640.

The previous prime is 530369910121. The next prime is 530369910227. The reversal of 530369910225 is 522019963035.

The square root of 530369910225 is 728265.

It is a perfect power (a square), and thus also a powerful number.

530369910225 is a `hidden beast` number, since 53 + 0 + 369 + 9 + 10 + 225 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 103077597249 + 427292312976 = 321057^2 + 653676^2 .

It is not a de Polignac number, because 530369910225 - 2¹³ = 530369902033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (530369910227) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 513426309 + ... + 513427341.

Almost surely, 2^530369910225 is an apocalyptic number.

530369910225 is the 728265-th square number.

530369910225 is the 364133-rd centered octagonal number.

It is an amenable number.

530369910225 is a deficient number, since it is larger than the sum of its proper divisors (441163795008).

530369910225 is an equidigital number, since it uses as much as digits as its factorization.

530369910225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 530369910225 in words is "five hundred thirty billion, three hundred sixty-nine million, nine hundred ten thousand, two hundred twenty-five".