9656651 has 2 divisors, whose sum is σ = 9656652. Its totient is φ = 9656650.

The previous prime is 9656627. The next prime is 9656671. The reversal of 9656651 is 1566569.

9656651 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9656651 - 2⁶ = 9656587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9656611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4828325 + 4828326.

It is an arithmetic number, because the mean of its divisors is an integer number (4828326).

Almost surely, 2^9656651 is an apocalyptic number.

9656651 is a deficient number, since it is larger than the sum of its proper divisors (1).

9656651 is an equidigital number, since it uses as much as digits as its factorization.

9656651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 9656651 is about 3107.5152453367. The cubic root of 9656651 is about 212.9489543897.

The spelling of 9656651 in words is "nine million, six hundred fifty-six thousand, six hundred fifty-one".