605687 has 2 divisors, whose sum is σ = 605688. Its totient is φ = 605686.

The previous prime is 605641. The next prime is 605707. The reversal of 605687 is 786506.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 605687 - 2¹² = 601591 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 605687.

It is not a weakly prime, because it can be changed into another prime (605617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302843 + 302844.

It is an arithmetic number, because the mean of its divisors is an integer number (302844).

2⁶⁰⁵⁶⁸⁷ is an apocalyptic number.

605687 is a deficient number, since it is larger than the sum of its proper divisors (1).

605687 is an equidigital number, since it uses as much as digits as its factorization.

605687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 605687 is about 778.2589543333. The cubic root of 605687 is about 84.6089068786.

The spelling of 605687 in words is "six hundred five thousand, six hundred eighty-seven".