4557257 has 2 divisors, whose sum is σ = 4557258. Its totient is φ = 4557256.

The previous prime is 4557233. The next prime is 4557271. The reversal of 4557257 is 7527554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2972176 + 1585081 = 1724^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 4557257 - 2⁶ = 4557193 is a prime.

It is not a weakly prime, because it can be changed into another prime (4557557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278628 + 2278629.

It is an arithmetic number, because the mean of its divisors is an integer number (2278629).

Almost surely, 2^4557257 is an apocalyptic number.

It is an amenable number.

4557257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4557257 is an equidigital number, since it uses as much as digits as its factorization.

4557257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49000, while the sum is 35.

The square root of 4557257 is about 2134.7732900709. The cubic root of 4557257 is about 165.7936299374.

The spelling of 4557257 in words is "four million, five hundred fifty-seven thousand, two hundred fifty-seven".