457417257 has 8 divisors (see below), whose sum is σ = 665334240. Its totient is φ = 277222560.

The previous prime is 457417231. The next prime is 457417309. The reversal of 457417257 is 752714754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 457417257 - 2⁶ = 457417193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (457417157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6930532 + ... + 6930597.

It is an arithmetic number, because the mean of its divisors is an integer number (83166780).

Almost surely, 2^457417257 is an apocalyptic number.

It is an amenable number.

457417257 is a deficient number, since it is larger than the sum of its proper divisors (207916983).

457417257 is a wasteful number, since it uses less digits than its factorization.

457417257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861143.

The product of its digits is 274400, while the sum is 42.

The square root of 457417257 is about 21387.3153294190. The cubic root of 457417257 is about 770.4968160504.

It can be divided in two parts, 457 and 417257, that added together give a palindrome (417714).

The spelling of 457417257 in words is "four hundred fifty-seven million, four hundred seventeen thousand, two hundred fifty-seven".