454681 has 4 divisors (see below), whose sum is σ = 456912. Its totient is φ = 452452.

The previous prime is 454679. The next prime is 454709. The reversal of 454681 is 186454.

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 454681 - 2¹ = 454679 is a prime.

It is a super-2 number, since 2×454681² = 413469623522, which contains 22 as substring.

It is a Duffinian number.

454681 is a modest number, since divided by 681 gives 454 as remainder.

It is not an unprimeable number, because it can be changed into a prime (451681) 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, 775 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (114228).

2⁴⁵⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

454681 is a deficient number, since it is larger than the sum of its proper divisors (2231).

454681 is a wasteful number, since it uses less digits than its factorization.

454681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230.

The product of its digits is 3840, while the sum is 28.

The square root of 454681 is about 674.3003781698. The cubic root of 454681 is about 76.8957379000.

The spelling of 454681 in words is "four hundred fifty-four thousand, six hundred eighty-one".