5611687 has 2 divisors, whose sum is σ = 5611688. Its totient is φ = 5611686.

The previous prime is 5611681. The next prime is 5611699. The reversal of 5611687 is 7861165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5611687 - 2¹⁹ = 5087399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5611681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805843 + 2805844.

It is an arithmetic number, because the mean of its divisors is an integer number (2805844).

Almost surely, 2^5611687 is an apocalyptic number.

5611687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5611687 is an equidigital number, since it uses as much as digits as its factorization.

5611687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 5611687 is about 2368.8999556756. The cubic root of 5611687 is about 177.7042494397.

The spelling of 5611687 in words is "five million, six hundred eleven thousand, six hundred eighty-seven".