8505601 has 6 divisors (see below), whose sum is σ = 9210390. Its totient is φ = 7851168.

The previous prime is 8505577. The next prime is 8505619. The reversal of 8505601 is 1065058.

It can be written as a sum of positive squares in 3 ways, for example, as 998001 + 7507600 = 999^2 + 2740^2 .

It is not a de Polignac number, because 8505601 - 2⁵ = 8505569 is a prime.

It is a Duffinian number.

8505601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8505631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24996 + ... + 25333.

It is an arithmetic number, because the mean of its divisors is an integer number (1535065).

Almost surely, 2^8505601 is an apocalyptic number.

It is an amenable number.

8505601 is a deficient number, since it is larger than the sum of its proper divisors (704789).

8505601 is a wasteful number, since it uses less digits than its factorization.

8505601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50355 (or 50342 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 8505601 is about 2916.4363528114. The cubic root of 8505601 is about 204.1275714304.

The spelling of 8505601 in words is "eight million, five hundred five thousand, six hundred one".