6530687 has 2 divisors, whose sum is σ = 6530688. Its totient is φ = 6530686.

The previous prime is 6530683. The next prime is 6530707. The reversal of 6530687 is 7860356.

It is a happy number.

6530687 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 6530687 - 2² = 6530683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6530681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265343 + 3265344.

It is an arithmetic number, because the mean of its divisors is an integer number (3265344).

Almost surely, 2^6530687 is an apocalyptic number.

6530687 is a deficient number, since it is larger than the sum of its proper divisors (1).

6530687 is an equidigital number, since it uses as much as digits as its factorization.

6530687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 6530687 is about 2555.5208862383. The cubic root of 6530687 is about 186.9187880745.

The spelling of 6530687 in words is "six million, five hundred thirty thousand, six hundred eighty-seven".