8512830225 has 27 divisors (see below), whose sum is σ = 15249904059. Its totient is φ = 4539438000.

The previous prime is 8512830217. The next prime is 8512830229. The reversal of 8512830225 is 5220382158.

The square root of 8512830225 is 92265.

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

8512830225 is digitally balanced in base 3, 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 only one way, i.e., 3064618881 + 5448211344 = 55359^2 + 73812^2 .

It is not a de Polignac number, because 8512830225 - 2³ = 8512830217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8512830225.

It is not an unprimeable number, because it can be changed into a prime (8512830229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1380900 + ... + 1387050.

Almost surely, 2^8512830225 is an apocalyptic number.

8512830225 is the 92265-th square number.

8512830225 is the 46133-rd centered octagonal number.

It is an amenable number.

8512830225 is a deficient number, since it is larger than the sum of its proper divisors (6737073834).

8512830225 is an frugal number, since it uses more digits than its factorization.

8512830225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12318 (or 6159 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The cubic root of 8512830225 is about 2041.8538691228.

Multiplying 8512830225 by its sum of digits (36), we get a square (306461888100 = 553590²).

The spelling of 8512830225 in words is "eight billion, five hundred twelve million, eight hundred thirty thousand, two hundred twenty-five".