10085509 has 8 divisors (see below), whose sum is σ = 11898368. Its totient is φ = 8365680.

The previous prime is 10085507. The next prime is 10085513. The reversal of 10085509 is 90558001.

10085509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10085509 - 2¹ = 10085507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10085507) 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, 23022 + ... + 23455.

It is an arithmetic number, because the mean of its divisors is an integer number (1487296).

Almost surely, 2^10085509 is an apocalyptic number.

It is an amenable number.

10085509 is a deficient number, since it is larger than the sum of its proper divisors (1812859).

10085509 is an equidigital number, since it uses as much as digits as its factorization.

10085509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46515.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 10085509 is about 3175.7690407207. The cubic root of 10085509 is about 216.0558054826.

The spelling of 10085509 in words is "ten million, eighty-five thousand, five hundred nine".