9951371 has 2 divisors, whose sum is σ = 9951372. Its totient is φ = 9951370.

The previous prime is 9951367. The next prime is 9951377. The reversal of 9951371 is 1731599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9951371 - 2² = 9951367 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9951377) 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, 4975685 + 4975686.

It is an arithmetic number, because the mean of its divisors is an integer number (4975686).

Almost surely, 2^9951371 is an apocalyptic number.

9951371 is a deficient number, since it is larger than the sum of its proper divisors (1).

9951371 is an equidigital number, since it uses as much as digits as its factorization.

9951371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8505, while the sum is 35.

The square root of 9951371 is about 3154.5793697417. The cubic root of 9951371 is about 215.0936747023.

The spelling of 9951371 in words is "nine million, nine hundred fifty-one thousand, three hundred seventy-one".