9148609 has 2 divisors, whose sum is σ = 9148610. Its totient is φ = 9148608.

The previous prime is 9148591. The next prime is 9148613. The reversal of 9148609 is 9068419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4717584 + 4431025 = 2172^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 9148609 - 2¹⁷ = 9017537 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9148619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4574304 + 4574305.

It is an arithmetic number, because the mean of its divisors is an integer number (4574305).

Almost surely, 2^9148609 is an apocalyptic number.

It is an amenable number.

9148609 is a deficient number, since it is larger than the sum of its proper divisors (1).

9148609 is an equidigital number, since it uses as much as digits as its factorization.

9148609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9148609 is about 3024.6667585041. Note that the first 3 decimals coincide. The cubic root of 9148609 is about 209.1470238287.

The spelling of 9148609 in words is "nine million, one hundred forty-eight thousand, six hundred nine".