8413663 has 2 divisors, whose sum is σ = 8413664. Its totient is φ = 8413662.

The previous prime is 8413661. The next prime is 8413687. The reversal of 8413663 is 3663148.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8413663 - 2¹ = 8413661 is a prime.

Together with 8413661, it forms a pair of twin primes.

It is equal to p₅₆₅₇₃₅ and since 8413663 and 565735 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8413661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4206831 + 4206832.

It is an arithmetic number, because the mean of its divisors is an integer number (4206832).

Almost surely, 2^8413663 is an apocalyptic number.

8413663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8413663 is an equidigital number, since it uses as much as digits as its factorization.

8413663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 8413663 is about 2900.6314829706. The cubic root of 8413663 is about 203.3894261322.

The spelling of 8413663 in words is "eight million, four hundred thirteen thousand, six hundred sixty-three".