457663057 has 2 divisors, whose sum is σ = 457663058. Its totient is φ = 457663056.

The previous prime is 457663043. The next prime is 457663067. The reversal of 457663057 is 750366754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362483521 + 95179536 = 19039^2 + 9756^2 .

It is a cyclic number.

It is not a de Polignac number, because 457663057 - 2⁷ = 457662929 is a prime.

It is not a weakly prime, because it can be changed into another prime (457663067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228831528 + 228831529.

It is an arithmetic number, because the mean of its divisors is an integer number (228831529).

Almost surely, 2^457663057 is an apocalyptic number.

It is an amenable number.

457663057 is a deficient number, since it is larger than the sum of its proper divisors (1).

457663057 is an equidigital number, since it uses as much as digits as its factorization.

457663057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 43.

The square root of 457663057 is about 21393.0609544310. The cubic root of 457663057 is about 770.6348039969.

The spelling of 457663057 in words is "four hundred fifty-seven million, six hundred sixty-three thousand, fifty-seven".