456317681 has 4 divisors (see below), whose sum is σ = 458227200. Its totient is φ = 454408164.

The previous prime is 456317627. The next prime is 456317717. The reversal of 456317681 is 186713654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 456317681 - 2²⁶ = 389208817 is a prime.

It is a super-2 number, since 2×456317681² = 416451651986435522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456317611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954401 + ... + 954878.

It is an arithmetic number, because the mean of its divisors is an integer number (114556800).

Almost surely, 2^456317681 is an apocalyptic number.

It is an amenable number.

456317681 is a deficient number, since it is larger than the sum of its proper divisors (1909519).

456317681 is a wasteful number, since it uses less digits than its factorization.

456317681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909518.

The product of its digits is 120960, while the sum is 41.

The square root of 456317681 is about 21361.5935969206. The cubic root of 456317681 is about 769.8789268230.

The spelling of 456317681 in words is "four hundred fifty-six million, three hundred seventeen thousand, six hundred eighty-one".