4457897 has 2 divisors, whose sum is σ = 4457898. Its totient is φ = 4457896.

The previous prime is 4457881. The next prime is 4457911. The reversal of 4457897 is 7987544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4116841 + 341056 = 2029^2 + 584^2 .

It is a cyclic number.

It is not a de Polignac number, because 4457897 - 2⁴ = 4457881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4457857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2228948 + 2228949.

It is an arithmetic number, because the mean of its divisors is an integer number (2228949).

Almost surely, 2^4457897 is an apocalyptic number.

It is an amenable number.

4457897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4457897 is an equidigital number, since it uses as much as digits as its factorization.

4457897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 44.

The square root of 4457897 is about 2111.3732498069. The cubic root of 4457897 is about 164.5798554767.

The spelling of 4457897 in words is "four million, four hundred fifty-seven thousand, eight hundred ninety-seven".