9974651 has 2 divisors, whose sum is σ = 9974652. Its totient is φ = 9974650.

The previous prime is 9974611. The next prime is 9974683. The reversal of 9974651 is 1564799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9974651 - 2¹⁰ = 9973627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9974599 and 9974608.

It is not a weakly prime, because it can be changed into another prime (9974611) 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, 4987325 + 4987326.

It is an arithmetic number, because the mean of its divisors is an integer number (4987326).

Almost surely, 2^9974651 is an apocalyptic number.

9974651 is a deficient number, since it is larger than the sum of its proper divisors (1).

9974651 is an equidigital number, since it uses as much as digits as its factorization.

9974651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 9974651 is about 3158.2670881355. The cubic root of 9974651 is about 215.2612724165.

The spelling of 9974651 in words is "nine million, nine hundred seventy-four thousand, six hundred fifty-one".