9457009 has 2 divisors, whose sum is σ = 9457010. Its totient is φ = 9457008.

The previous prime is 9456989. The next prime is 9457027. The reversal of 9457009 is 9007549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5536609 + 3920400 = 2353^2 + 1980^2 .

It is an emirp because it is prime and its reverse (9007549) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9457009 - 2⁵ = 9456977 is a prime.

It is not a weakly prime, because it can be changed into another prime (9457109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4728504 + 4728505.

It is an arithmetic number, because the mean of its divisors is an integer number (4728505).

Almost surely, 2^9457009 is an apocalyptic number.

It is an amenable number.

9457009 is a deficient number, since it is larger than the sum of its proper divisors (1).

9457009 is an equidigital number, since it uses as much as digits as its factorization.

9457009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 9457009 is about 3075.2250324163. The cubic root of 9457009 is about 211.4712183746.

The spelling of 9457009 in words is "nine million, four hundred fifty-seven thousand, nine".