456281 has 4 divisors (see below), whose sum is σ = 521472. Its totient is φ = 391092.

The previous prime is 456241. The next prime is 456283. The reversal of 456281 is 182654.

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 a de Polignac number, because none of the positive numbers 2^k-456281 is a prime.

It is a super-2 number, since 2×456281² = 416384701922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 456281.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 456281.

It is not an unprimeable number, because it can be changed into a prime (456283) 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, 32585 + ... + 32598.

It is an arithmetic number, because the mean of its divisors is an integer number (130368).

2⁴⁵⁶²⁸¹ is an apocalyptic number.

It is an amenable number.

456281 is a deficient number, since it is larger than the sum of its proper divisors (65191).

456281 is an equidigital number, since it uses as much as digits as its factorization.

456281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65190.

The product of its digits is 1920, while the sum is 26.

The square root of 456281 is about 675.4857511451. The cubic root of 456281 is about 76.9858297419.

It can be divided in two parts, 456 and 281, that added together give a palindrome (737).

The spelling of 456281 in words is "four hundred fifty-six thousand, two hundred eighty-one".