6630587 has 2 divisors, whose sum is σ = 6630588. Its totient is φ = 6630586.

The previous prime is 6630583. The next prime is 6630599. The reversal of 6630587 is 7850366.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6630587 - 2² = 6630583 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6630583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315293 + 3315294.

It is an arithmetic number, because the mean of its divisors is an integer number (3315294).

Almost surely, 2^6630587 is an apocalyptic number.

6630587 is a deficient number, since it is larger than the sum of its proper divisors (1).

6630587 is an equidigital number, since it uses as much as digits as its factorization.

6630587 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 6630587 is about 2574.9926213487. The cubic root of 6630587 is about 187.8670687723.

The spelling of 6630587 in words is "six million, six hundred thirty thousand, five hundred eighty-seven".