9959291 has 2 divisors, whose sum is σ = 9959292. Its totient is φ = 9959290.

The previous prime is 9959251. The next prime is 9959303. The reversal of 9959291 is 1929599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9959291 - 2⁶ = 9959227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9959231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4979645 + 4979646.

It is an arithmetic number, because the mean of its divisors is an integer number (4979646).

Almost surely, 2^9959291 is an apocalyptic number.

9959291 is a deficient number, since it is larger than the sum of its proper divisors (1).

9959291 is an equidigital number, since it uses as much as digits as its factorization.

9959291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65610, while the sum is 44.

The square root of 9959291 is about 3155.8344379894. The cubic root of 9959291 is about 215.1507217889.

The spelling of 9959291 in words is "nine million, nine hundred fifty-nine thousand, two hundred ninety-one".