9217001 has 2 divisors, whose sum is σ = 9217002. Its totient is φ = 9217000.

The previous prime is 9216979. The next prime is 9217003. The reversal of 9217001 is 1007129.

9217001 is digitally balanced in base 2, 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., 9211225 + 5776 = 3035^2 + 76^2 .

It is an emirp because it is prime and its reverse (1007129) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9217001 - 2¹⁸ = 8954857 is a prime.

Together with 9217003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9217003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4608500 + 4608501.

It is an arithmetic number, because the mean of its divisors is an integer number (4608501).

Almost surely, 2^9217001 is an apocalyptic number.

It is an amenable number.

9217001 is a deficient number, since it is larger than the sum of its proper divisors (1).

9217001 is an equidigital number, since it uses as much as digits as its factorization.

9217001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 9217001 is about 3035.9514159485. The cubic root of 9217001 is about 209.6669020088. Note that the first 3 decimals are identical.

The spelling of 9217001 in words is "nine million, two hundred seventeen thousand, one".