9917051 has 2 divisors, whose sum is σ = 9917052. Its totient is φ = 9917050.

The previous prime is 9917027. The next prime is 9917053. The reversal of 9917051 is 1507199.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9917051 is a prime.

It is a Sophie Germain prime.

Together with 9917053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9916999 and 9917017.

It is not a weakly prime, because it can be changed into another prime (9917053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4958525 + 4958526.

It is an arithmetic number, because the mean of its divisors is an integer number (4958526).

Almost surely, 2^9917051 is an apocalyptic number.

9917051 is a deficient number, since it is larger than the sum of its proper divisors (1).

9917051 is an equidigital number, since it uses as much as digits as its factorization.

9917051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 9917051 is about 3149.1349605884. The cubic root of 9917051 is about 214.8461202864.

The spelling of 9917051 in words is "nine million, nine hundred seventeen thousand, fifty-one".