9134561 has 2 divisors, whose sum is σ = 9134562. Its totient is φ = 9134560.

The previous prime is 9134539. The next prime is 9134617. The reversal of 9134561 is 1654319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9120400 + 14161 = 3020^2 + 119^2 .

It is an emirp because it is prime and its reverse (1654319) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9134561 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9134501) 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, 4567280 + 4567281.

It is an arithmetic number, because the mean of its divisors is an integer number (4567281).

Almost surely, 2^9134561 is an apocalyptic number.

It is an amenable number.

9134561 is a deficient number, since it is larger than the sum of its proper divisors (1).

9134561 is an equidigital number, since it uses as much as digits as its factorization.

9134561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 9134561 is about 3022.3436270550. The cubic root of 9134561 is about 209.0399182012.

The spelling of 9134561 in words is "nine million, one hundred thirty-four thousand, five hundred sixty-one".