8572803364225 has 9 divisors (see below), whose sum is σ = 10630294324867. Its totient is φ = 6858230979640.

The previous prime is 8572803364193. The next prime is 8572803364261. The reversal of 8572803364225 is 5224633082758.

The square root of 8572803364225 is 2927935.

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

It can be written as a sum of positive squares in only one way, i.e., 3086209211121 + 5486594153104 = 1756761^2 + 2342348^2 .

It is not a de Polignac number, because 8572803364225 - 2⁵ = 8572803364193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14346882 + ... + 14932468.

Almost surely, 2^{8572803364225} is an apocalyptic number.

8572803364225 is the 2927935-th square number.

8572803364225 is the 1463968-th centered octagonal number.

It is an amenable number.

8572803364225 is a deficient number, since it is larger than the sum of its proper divisors (2057490960642).

8572803364225 is an frugal number, since it uses more digits than its factorization.

8572803364225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171184 (or 585592 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 8572803364225 in words is "eight trillion, five hundred seventy-two billion, eight hundred three million, three hundred sixty-four thousand, two hundred twenty-five".