5185871 has 4 divisors (see below), whose sum is σ = 5190744. Its totient is φ = 5181000.

The previous prime is 5185853. The next prime is 5185877. The reversal of 5185871 is 1785815.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5185871 - 2¹⁴ = 5169487 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 (5185877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (1297686).

Almost surely, 2^5185871 is an apocalyptic number.

5185871 is a deficient number, since it is larger than the sum of its proper divisors (4873).

5185871 is a wasteful number, since it uses less digits than its factorization.

5185871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872.

The product of its digits is 11200, while the sum is 35.

The square root of 5185871 is about 2277.2507547479. The cubic root of 5185871 is about 173.0907672978.

The spelling of 5185871 in words is "five million, one hundred eighty-five thousand, eight hundred seventy-one".