457556257 has 2 divisors, whose sum is σ = 457556258. Its totient is φ = 457556256.

The previous prime is 457556251. The next prime is 457556263. The reversal of 457556257 is 752655754.

It is a balanced prime because it is at equal distance from previous prime (457556251) and next prime (457556263).

It can be written as a sum of positive squares in only one way, i.e., 335475856 + 122080401 = 18316^2 + 11049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457556257 is a prime.

It is not a weakly prime, because it can be changed into another prime (457556251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228778128 + 228778129.

It is an arithmetic number, because the mean of its divisors is an integer number (228778129).

Almost surely, 2^457556257 is an apocalyptic number.

It is an amenable number.

457556257 is a deficient number, since it is larger than the sum of its proper divisors (1).

457556257 is an equidigital number, since it uses as much as digits as its factorization.

457556257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1470000, while the sum is 46.

The square root of 457556257 is about 21390.5646723035. The cubic root of 457556257 is about 770.5748543617.

The spelling of 457556257 in words is "four hundred fifty-seven million, five hundred fifty-six thousand, two hundred fifty-seven".