9651091 has 2 divisors, whose sum is σ = 9651092. Its totient is φ = 9651090.

The previous prime is 9651073. The next prime is 9651119. The reversal of 9651091 is 1901569.

9651091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9651091 - 2¹¹ = 9649043 is a prime.

It is not a weakly prime, because it can be changed into another prime (9651001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4825545 + 4825546.

It is an arithmetic number, because the mean of its divisors is an integer number (4825546).

Almost surely, 2^9651091 is an apocalyptic number.

9651091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9651091 is an equidigital number, since it uses as much as digits as its factorization.

9651091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 9651091 is about 3106.6205111021. The cubic root of 9651091 is about 212.9080767433.

The spelling of 9651091 in words is "nine million, six hundred fifty-one thousand, ninety-one".