8505011 has 4 divisors (see below), whose sum is σ = 8621592. Its totient is φ = 8388432.

The previous prime is 8505001. The next prime is 8505023. The reversal of 8505011 is 1105058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8505011 - 2¹⁸ = 8242867 is a prime.

It is a super-2 number, since 2×8505011² = 144670424220242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8505001) 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 3 ways as a sum of consecutive naturals, for example, 58181 + ... + 58326.

It is an arithmetic number, because the mean of its divisors is an integer number (2155398).

Almost surely, 2^8505011 is an apocalyptic number.

8505011 is a deficient number, since it is larger than the sum of its proper divisors (116581).

8505011 is a wasteful number, since it uses less digits than its factorization.

8505011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116580.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 8505011 is about 2916.3352002128. The cubic root of 8505011 is about 204.1228514798.

The spelling of 8505011 in words is "eight million, five hundred five thousand, eleven".