5605687 has 2 divisors, whose sum is σ = 5605688. Its totient is φ = 5605686.

The previous prime is 5605681. The next prime is 5605697. The reversal of 5605687 is 7865065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5605687 - 2³ = 5605679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5605681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802843 + 2802844.

It is an arithmetic number, because the mean of its divisors is an integer number (2802844).

Almost surely, 2^5605687 is an apocalyptic number.

5605687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605687 is an equidigital number, since it uses as much as digits as its factorization.

5605687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 5605687 is about 2367.6332063899. The cubic root of 5605687 is about 177.6408932259.

The spelling of 5605687 in words is "five million, six hundred five thousand, six hundred eighty-seven".