9457109 has 2 divisors, whose sum is σ = 9457110. Its totient is φ = 9457108.

The previous prime is 9457073. The next prime is 9457111. The reversal of 9457109 is 9017549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5866084 + 3591025 = 2422^2 + 1895^2 .

It is an emirp because it is prime and its reverse (9017549) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9457109 is a prime.

Together with 9457111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9457009) 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, 4728554 + 4728555.

It is an arithmetic number, because the mean of its divisors is an integer number (4728555).

Almost surely, 2^9457109 is an apocalyptic number.

It is an amenable number.

9457109 is a deficient number, since it is larger than the sum of its proper divisors (1).

9457109 is an equidigital number, since it uses as much as digits as its factorization.

9457109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 9457109 is about 3075.2412913461. The cubic root of 9457109 is about 211.4719637494.

The spelling of 9457109 in words is "nine million, four hundred fifty-seven thousand, one hundred nine".