5681933 has 2 divisors, whose sum is σ = 5681934. Its totient is φ = 5681932.

The previous prime is 5681911. The next prime is 5681939. The reversal of 5681933 is 3391865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2866249 + 2815684 = 1693^2 + 1678^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681933 - 2⁶ = 5681869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5681893 and 5681902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5681939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840966 + 2840967.

It is an arithmetic number, because the mean of its divisors is an integer number (2840967).

Almost surely, 2^5681933 is an apocalyptic number.

It is an amenable number.

5681933 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681933 is an equidigital number, since it uses as much as digits as its factorization.

5681933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 5681933 is about 2383.6805574573. The cubic root of 5681933 is about 178.4426658495.

The spelling of 5681933 in words is "five million, six hundred eighty-one thousand, nine hundred thirty-three".