4557857 has 2 divisors, whose sum is σ = 4557858. Its totient is φ = 4557856.

The previous prime is 4557851. The next prime is 4557881. The reversal of 4557857 is 7587554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3845521 + 712336 = 1961^2 + 844^2 .

It is a cyclic number.

It is not a de Polignac number, because 4557857 - 2⁶ = 4557793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4557851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278928 + 2278929.

It is an arithmetic number, because the mean of its divisors is an integer number (2278929).

Almost surely, 2^4557857 is an apocalyptic number.

It is an amenable number.

4557857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4557857 is an equidigital number, since it uses as much as digits as its factorization.

4557857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 196000, while the sum is 41.

The square root of 4557857 is about 2134.9138155907. The cubic root of 4557857 is about 165.8009056453.

The spelling of 4557857 in words is "four million, five hundred fifty-seven thousand, eight hundred fifty-seven".