9613663 has 2 divisors, whose sum is σ = 9613664. Its totient is φ = 9613662.

The previous prime is 9613633. The next prime is 9613693. The reversal of 9613663 is 3663169.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (9613633) and next prime (9613693).

It is a cyclic number.

It is not a de Polignac number, because 9613663 - 2⁵ = 9613631 is a prime.

9613663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9613633) 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, 4806831 + 4806832.

It is an arithmetic number, because the mean of its divisors is an integer number (4806832).

Almost surely, 2^9613663 is an apocalyptic number.

9613663 is a deficient number, since it is larger than the sum of its proper divisors (1).

9613663 is an equidigital number, since it uses as much as digits as its factorization.

9613663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 34.

The square root of 9613663 is about 3100.5907501636. The cubic root of 9613663 is about 212.6324931523.

It can be divided in two parts, 961 and 3663, that added together give a square (4624 = 68²).

The spelling of 9613663 in words is "nine million, six hundred thirteen thousand, six hundred sixty-three".