8505265 has 8 divisors (see below), whose sum is σ = 10558440. Its totient is φ = 6569472.

The previous prime is 8505257. The next prime is 8505269. The reversal of 8505265 is 5625058.

It can be written as a sum of positive squares in 4 ways, for example, as 2930944 + 5574321 = 1712^2 + 2361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8505265 - 2³ = 8505257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8505269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29184 + ... + 29473.

It is an arithmetic number, because the mean of its divisors is an integer number (1319805).

Almost surely, 2^8505265 is an apocalyptic number.

It is an amenable number.

8505265 is a deficient number, since it is larger than the sum of its proper divisors (2053175).

8505265 is a wasteful number, since it uses less digits than its factorization.

8505265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58691.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 8505265 is about 2916.3787476938. The cubic root of 8505265 is about 204.1248834853.

The spelling of 8505265 in words is "eight million, five hundred five thousand, two hundred sixty-five".