457741057 has 6 divisors (see below), whose sum is σ = 465634418. Its totient is φ = 449979312.

The previous prime is 457741049. The next prime is 457741069. The reversal of 457741057 is 750147754.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 441168016 + 16573041 = 21004^2 + 4071^2 .

It is not a de Polignac number, because 457741057 - 2³ = 457741049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457741457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62268 + ... + 69229.

Almost surely, 2^457741057 is an apocalyptic number.

It is an amenable number.

457741057 is a deficient number, since it is larger than the sum of its proper divisors (7893361).

457741057 is an equidigital number, since it uses as much as digits as its factorization.

457741057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131615 (or 131556 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 40.

The square root of 457741057 is about 21394.8838977920. The cubic root of 457741057 is about 770.6785815456.

The spelling of 457741057 in words is "four hundred fifty-seven million, seven hundred forty-one thousand, fifty-seven".