9976651 has 2 divisors, whose sum is σ = 9976652. Its totient is φ = 9976650.

The previous prime is 9976649. The next prime is 9976669. The reversal of 9976651 is 1566799.

9976651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9976651 - 2¹ = 9976649 is a prime.

Together with 9976649, it forms a pair of twin primes.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9976598 and 9976607.

It is not a weakly prime, because it can be changed into another prime (9976151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4988325 + 4988326.

It is an arithmetic number, because the mean of its divisors is an integer number (4988326).

Almost surely, 2^9976651 is an apocalyptic number.

9976651 is a deficient number, since it is larger than the sum of its proper divisors (1).

9976651 is an equidigital number, since it uses as much as digits as its factorization.

9976651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 43.

The square root of 9976651 is about 3158.5837015979. The cubic root of 9976651 is about 215.2756586766.

The spelling of 9976651 in words is "nine million, nine hundred seventy-six thousand, six hundred fifty-one".