3117085 has 4 divisors (see below), whose sum is σ = 3740508. Its totient is φ = 2493664.

The previous prime is 3117071. The next prime is 3117097. The reversal of 3117085 is 5807113.

3117085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2090916 + 1026169 = 1446^2 + 1013^2 .

It is a cyclic number.

It is not a de Polignac number, because 3117085 - 2⁵ = 3117053 is a prime.

It is a Duffinian number.

3117085 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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, 311704 + ... + 311713.

It is an arithmetic number, because the mean of its divisors is an integer number (935127).

Almost surely, 2^3117085 is an apocalyptic number.

It is an amenable number.

3117085 is a deficient number, since it is larger than the sum of its proper divisors (623423).

3117085 is an equidigital number, since it uses as much as digits as its factorization.

3117085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623422.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 3117085 is about 1765.5268335542. The cubic root of 3117085 is about 146.0773500183.

It can be divided in two parts, 311 and 7085, that added together give a square (7396 = 86²).

The spelling of 3117085 in words is "three million, one hundred seventeen thousand, eighty-five".