8305318791025 has 9 divisors (see below), whose sum is σ = 10298613168651. Its totient is φ = 6644243505240.

The previous prime is 8305318791017. The next prime is 8305318791061. The reversal of 8305318791025 is 5201978135038.

The square root of 8305318791025 is 2881895.

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., 2989914764769 + 5315404026256 = 1729137^2 + 2305516^2 .

It is not a de Polignac number, because 8305318791025 - 2³ = 8305318791017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14121286 + ... + 14697664.

Almost surely, 2^{8305318791025} is an apocalyptic number.

8305318791025 is the 2881895-th square number.

8305318791025 is the 1440948-th centered octagonal number.

It is an amenable number.

8305318791025 is a deficient number, since it is larger than the sum of its proper divisors (1993294377626).

8305318791025 is an frugal number, since it uses more digits than its factorization.

8305318791025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152768 (or 576384 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 8305318791025 in words is "eight trillion, three hundred five billion, three hundred eighteen million, seven hundred ninety-one thousand, twenty-five".