6629563 has 2 divisors, whose sum is σ = 6629564. Its totient is φ = 6629562.

The previous prime is 6629561. The next prime is 6629573. The reversal of 6629563 is 3659266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6629563 - 2¹ = 6629561 is a prime.

It is a super-2 number, since 2×6629563² = 87902211141938, which contains 22 as substring.

Together with 6629561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6629561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314781 + 3314782.

It is an arithmetic number, because the mean of its divisors is an integer number (3314782).

Almost surely, 2^6629563 is an apocalyptic number.

6629563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6629563 is an equidigital number, since it uses as much as digits as its factorization.

6629563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 37.

The square root of 6629563 is about 2574.7937781500. The cubic root of 6629563 is about 187.8573971408.

The spelling of 6629563 in words is "six million, six hundred twenty-nine thousand, five hundred sixty-three".