5186791 has 4 divisors (see below), whose sum is σ = 5459800. Its totient is φ = 4913784.

The previous prime is 5186777. The next prime is 5186803. The reversal of 5186791 is 1976815.

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

It is a cyclic number.

It is not a de Polignac number, because 5186791 - 2⁵ = 5186759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5186791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5186761) by changing a digit.

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, 136476 + ... + 136513.

It is an arithmetic number, because the mean of its divisors is an integer number (1364950).

Almost surely, 2^5186791 is an apocalyptic number.

5186791 is a deficient number, since it is larger than the sum of its proper divisors (273009).

5186791 is a wasteful number, since it uses less digits than its factorization.

5186791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273008.

The product of its digits is 15120, while the sum is 37.

The square root of 5186791 is about 2277.4527437468. The cubic root of 5186791 is about 173.1010024213.

The spelling of 5186791 in words is "five million, one hundred eighty-six thousand, seven hundred ninety-one".