5171685 has 16 divisors (see below), whose sum is σ = 8389824. Its totient is φ = 2719872.

The previous prime is 5171681. The next prime is 5171693. The reversal of 5171685 is 5861715.

It is not a de Polignac number, because 5171685 - 2² = 5171681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (524364).

Almost surely, 2^5171685 is an apocalyptic number.

It is an amenable number.

5171685 is a deficient number, since it is larger than the sum of its proper divisors (3218139).

5171685 is a wasteful number, since it uses less digits than its factorization.

5171685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804.

The product of its digits is 8400, while the sum is 33.

The square root of 5171685 is about 2274.1339010709. The cubic root of 5171685 is about 172.9327926768.

The spelling of 5171685 in words is "five million, one hundred seventy-one thousand, six hundred eighty-five".