5687111 has 2 divisors, whose sum is σ = 5687112. Its totient is φ = 5687110.

The previous prime is 5687107. The next prime is 5687119. The reversal of 5687111 is 1117865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5687111 - 2² = 5687107 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5687119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843555 + 2843556.

It is an arithmetic number, because the mean of its divisors is an integer number (2843556).

Almost surely, 2^5687111 is an apocalyptic number.

5687111 is the 1067-th centered decagonal number.

5687111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5687111 is an equidigital number, since it uses as much as digits as its factorization.

5687111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 29.

The square root of 5687111 is about 2384.7664455875. The cubic root of 5687111 is about 178.4968548957.

The spelling of 5687111 in words is "five million, six hundred eighty-seven thousand, one hundred eleven".