5170985 has 4 divisors (see below), whose sum is σ = 6205188. Its totient is φ = 4136784.

The previous prime is 5170967. The next prime is 5170999. The reversal of 5170985 is 5890715.

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 2968729 + 2202256 = 1723^2 + 1484^2 .

It is a cyclic number.

It is not a de Polignac number, because 5170985 - 2¹⁰ = 5169961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517094 + ... + 517103.

It is an arithmetic number, because the mean of its divisors is an integer number (1551297).

Almost surely, 2^5170985 is an apocalyptic number.

It is an amenable number.

5170985 is a deficient number, since it is larger than the sum of its proper divisors (1034203).

5170985 is a wasteful number, since it uses less digits than its factorization.

5170985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034202.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 5170985 is about 2273.9799911169. The cubic root of 5170985 is about 172.9249900350.

The spelling of 5170985 in words is "five million, one hundred seventy thousand, nine hundred eighty-five".