5680991 has 4 divisors (see below), whose sum is σ = 5774184. Its totient is φ = 5587800.

The previous prime is 5680963. The next prime is 5681003. The reversal of 5680991 is 1990865.

5680991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5680991 - 2¹⁰ = 5679967 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5680901) 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, 46505 + ... + 46626.

It is an arithmetic number, because the mean of its divisors is an integer number (1443546).

Almost surely, 2^5680991 is an apocalyptic number.

5680991 is a deficient number, since it is larger than the sum of its proper divisors (93193).

5680991 is an equidigital number, since it uses as much as digits as its factorization.

5680991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93192.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 5680991 is about 2383.4829556764. The cubic root of 5680991 is about 178.4328040483.

The spelling of 5680991 in words is "five million, six hundred eighty thousand, nine hundred ninety-one".