457745317 has 4 divisors (see below), whose sum is σ = 457800876. Its totient is φ = 457689760.

The previous prime is 457745311. The next prime is 457745329. The reversal of 457745317 is 713547754.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 713547754 = 2 ⋅356773877.

It can be written as a sum of positive squares in 2 ways, for example, as 162970756 + 294774561 = 12766^2 + 17169^2 .

It is a cyclic number.

It is not a de Polignac number, because 457745317 - 2²³ = 449356709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457745311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12688 + ... + 32809.

It is an arithmetic number, because the mean of its divisors is an integer number (114450219).

Almost surely, 2^457745317 is an apocalyptic number.

It is an amenable number.

457745317 is a deficient number, since it is larger than the sum of its proper divisors (55559).

457745317 is a wasteful number, since it uses less digits than its factorization.

457745317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55558.

The product of its digits is 411600, while the sum is 43.

The square root of 457745317 is about 21394.9834540717. The cubic root of 457745317 is about 770.6809723300.

It can be divided in two parts, 4577 and 45317, that added together give a palindrome (49894).

The spelling of 457745317 in words is "four hundred fifty-seven million, seven hundred forty-five thousand, three hundred seventeen".