8316528025 has 81 divisors (see below), whose sum is σ = 11867910327. Its totient is φ = 5778115200.

The previous prime is 8316527977. The next prime is 8316528029. The reversal of 8316528025 is 5208256138.

The square root of 8316528025 is 91195.

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

It can be written as a sum of positive squares in 13 ways, for example, as 7332325641 + 984202384 = 85629^2 + 31372^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8316528025 is a prime.

It is a super-2 number, since 2×8316528025² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8316528029) by changing a digit.

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 80 ways as a sum of consecutive naturals, for example, 136336495 + ... + 136336555.

Almost surely, 2^8316528025 is an apocalyptic number.

8316528025 is the 91195-th square number.

8316528025 is the 45598-th centered octagonal number.

It is an amenable number.

8316528025 is a deficient number, since it is larger than the sum of its proper divisors (3551382302).

8316528025 is a wasteful number, since it uses less digits than its factorization.

8316528025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The cubic root of 8316528025 is about 2026.0369043113.

The spelling of 8316528025 in words is "eight billion, three hundred sixteen million, five hundred twenty-eight thousand, twenty-five".