9111457 has 2 divisors, whose sum is σ = 9111458. Its totient is φ = 9111456.

The previous prime is 9111449. The next prime is 9111461. The reversal of 9111457 is 7541119.

9111457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4822416 + 4289041 = 2196^2 + 2071^2 .

It is a cyclic number.

It is not a de Polignac number, because 9111457 - 2³ = 9111449 is a prime.

It is not a weakly prime, because it can be changed into another prime (9111497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4555728 + 4555729.

It is an arithmetic number, because the mean of its divisors is an integer number (4555729).

Almost surely, 2^9111457 is an apocalyptic number.

It is an amenable number.

9111457 is a deficient number, since it is larger than the sum of its proper divisors (1).

9111457 is an equidigital number, since it uses as much as digits as its factorization.

9111457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 28.

The square root of 9111457 is about 3018.5190077255. The cubic root of 9111457 is about 208.8635281926.

The spelling of 9111457 in words is "nine million, one hundred eleven thousand, four hundred fifty-seven".