6305987 has 2 divisors, whose sum is σ = 6305988. Its totient is φ = 6305986.

The previous prime is 6305983. The next prime is 6306029. The reversal of 6305987 is 7895036.

6305987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6305987 - 2² = 6305983 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6305987.

It is not a weakly prime, because it can be changed into another prime (6305983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3152993 + 3152994.

It is an arithmetic number, because the mean of its divisors is an integer number (3152994).

Almost surely, 2^6305987 is an apocalyptic number.

6305987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6305987 is an equidigital number, since it uses as much as digits as its factorization.

6305987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 6305987 is about 2511.1724353377. The cubic root of 6305987 is about 184.7499616996.

The spelling of 6305987 in words is "six million, three hundred five thousand, nine hundred eighty-seven".