7000663 has 2 divisors, whose sum is σ = 7000664. Its totient is φ = 7000662.

The previous prime is 7000661. The next prime is 7000673. The reversal of 7000663 is 3660007.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7000663 - 2¹ = 7000661 is a prime.

Together with 7000661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7000661) 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, 3500331 + 3500332.

It is an arithmetic number, because the mean of its divisors is an integer number (3500332).

Almost surely, 2^7000663 is an apocalyptic number.

7000663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7000663 is an equidigital number, since it uses as much as digits as its factorization.

7000663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 7000663 is about 2645.8766033207. The cubic root of 7000663 is about 191.2991574836.

The spelling of 7000663 in words is "seven million, six hundred sixty-three", and thus it is an aban number.