4631663 has 2 divisors, whose sum is σ = 4631664. Its totient is φ = 4631662.

The previous prime is 4631651. The next prime is 4631681. The reversal of 4631663 is 3661364.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4631663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4631863) 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, 2315831 + 2315832.

It is an arithmetic number, because the mean of its divisors is an integer number (2315832).

Almost surely, 2^4631663 is an apocalyptic number.

4631663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4631663 is an equidigital number, since it uses as much as digits as its factorization.

4631663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 4631663 is about 2152.1298752631. The cubic root of 4631663 is about 166.6910635397.

Subtracting from 4631663 its reverse (3661364), we obtain a cube (970299 = 99³).

The spelling of 4631663 in words is "four million, six hundred thirty-one thousand, six hundred sixty-three".