8505450625 has 135 divisors (see below), whose sum is σ = 13571051967. Its totient is φ = 5312160000.

The previous prime is 8505450607. The next prime is 8505450631. The reversal of 8505450625 is 5260545058.

The square root of 8505450625 is 92225.

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

It can be written as a sum of positive squares in 7 ways, for example, as 4153673601 + 4351777024 = 64449^2 + 65968^2 .

It is not a de Polignac number, because 8505450625 - 2⁵ = 8505450593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 274369360 + ... + 274369390.

Almost surely, 2^8505450625 is an apocalyptic number.

8505450625 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8505450625 is the 92225-th square number.

8505450625 is the 46113-rd centered octagonal number.

It is an amenable number.

8505450625 is a deficient number, since it is larger than the sum of its proper divisors (5065601342).

8505450625 is an equidigital number, since it uses as much as digits as its factorization.

8505450625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The cubic root of 8505450625 is about 2041.2636846374.

The spelling of 8505450625 in words is "eight billion, five hundred five million, four hundred fifty thousand, six hundred twenty-five".