5681693 has 2 divisors, whose sum is σ = 5681694. Its totient is φ = 5681692.

The previous prime is 5681647. The next prime is 5681699. The reversal of 5681693 is 3961865.

5681693 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3034564 + 2647129 = 1742^2 + 1627^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681693 - 2⁶ = 5681629 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5681699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840846 + 2840847.

It is an arithmetic number, because the mean of its divisors is an integer number (2840847).

Almost surely, 2^5681693 is an apocalyptic number.

It is an amenable number.

5681693 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681693 is an equidigital number, since it uses as much as digits as its factorization.

5681693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 5681693 is about 2383.6302146096. The cubic root of 5681693 is about 178.4401533922.

The spelling of 5681693 in words is "five million, six hundred eighty-one thousand, six hundred ninety-three".