457217137257 has 16 divisors (see below), whose sum is σ = 649089080640. Its totient is φ = 285278646272.

The previous prime is 457217137183. The next prime is 457217137301. The reversal of 457217137257 is 752731712754.

It is a cyclic number.

It is not a de Polignac number, because 457217137257 - 2⁷ = 457217137129 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (457217130257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25032888 + ... + 25051145.

It is an arithmetic number, because the mean of its divisors is an integer number (40568067540).

Almost surely, 2^457217137257 is an apocalyptic number.

It is an amenable number.

457217137257 is a deficient number, since it is larger than the sum of its proper divisors (191871943383).

457217137257 is a wasteful number, since it uses less digits than its factorization.

457217137257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50084232.

The product of its digits is 2881200, while the sum is 51.

The spelling of 457217137257 in words is "four hundred fifty-seven billion, two hundred seventeen million, one hundred thirty-seven thousand, two hundred fifty-seven".