5686691 has 2 divisors, whose sum is σ = 5686692. Its totient is φ = 5686690.

The previous prime is 5686673. The next prime is 5686693. The reversal of 5686691 is 1966865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5686691 - 2¹⁴ = 5670307 is a prime.

Together with 5686693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5686693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843345 + 2843346.

It is an arithmetic number, because the mean of its divisors is an integer number (2843346).

Almost surely, 2^5686691 is an apocalyptic number.

5686691 is a deficient number, since it is larger than the sum of its proper divisors (1).

5686691 is an equidigital number, since it uses as much as digits as its factorization.

5686691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 5686691 is about 2384.6783850239. The cubic root of 5686691 is about 178.4924607183.

The spelling of 5686691 in words is "five million, six hundred eighty-six thousand, six hundred ninety-one".