8663497 has 2 divisors, whose sum is σ = 8663498. Its totient is φ = 8663496.

The previous prime is 8663471. The next prime is 8663503. The reversal of 8663497 is 7943668.

It is a happy number.

8663497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6170256 + 2493241 = 2484^2 + 1579^2 .

It is a cyclic number.

It is not a de Polignac number, because 8663497 - 2²³ = 274889 is a prime.

It is not a weakly prime, because it can be changed into another prime (8663437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4331748 + 4331749.

It is an arithmetic number, because the mean of its divisors is an integer number (4331749).

Almost surely, 2^8663497 is an apocalyptic number.

It is an amenable number.

8663497 is a deficient number, since it is larger than the sum of its proper divisors (1).

8663497 is an equidigital number, since it uses as much as digits as its factorization.

8663497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 8663497 is about 2943.3818984291. The cubic root of 8663497 is about 205.3829605290.

The spelling of 8663497 in words is "eight million, six hundred sixty-three thousand, four hundred ninety-seven".