5681791 has 8 divisors (see below), whose sum is σ = 6042384. Its totient is φ = 5324160.

The previous prime is 5681777. The next prime is 5681803. The reversal of 5681791 is 1971865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5681791 - 2⁹ = 5681279 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 5681791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4221 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (755298).

Almost surely, 2^5681791 is an apocalyptic number.

5681791 is a deficient number, since it is larger than the sum of its proper divisors (360593).

5681791 is a wasteful number, since it uses less digits than its factorization.

5681791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481.

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

The square root of 5681791 is about 2383.6507714009. The cubic root of 5681791 is about 178.4411793208.

The spelling of 5681791 in words is "five million, six hundred eighty-one thousand, seven hundred ninety-one".