457478313 has 8 divisors (see below), whose sum is σ = 645851808. Its totient is φ = 287045184.

The previous prime is 457478309. The next prime is 457478317. The reversal of 457478313 is 313874754.

It is an interprime number because it is at equal distance from previous prime (457478309) and next prime (457478317).

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

It is not a de Polignac number, because 457478313 - 2² = 457478309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (457478317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4485031 + ... + 4485132.

It is an arithmetic number, because the mean of its divisors is an integer number (80731476).

Almost surely, 2^457478313 is an apocalyptic number.

It is an amenable number.

457478313 is a deficient number, since it is larger than the sum of its proper divisors (188373495).

457478313 is a wasteful number, since it uses less digits than its factorization.

457478313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970183.

The product of its digits is 282240, while the sum is 42.

The square root of 457478313 is about 21388.7426699187. The cubic root of 457478313 is about 770.5310964657.

The spelling of 457478313 in words is "four hundred fifty-seven million, four hundred seventy-eight thousand, three hundred thirteen".