452681 has 8 divisors (see below), whose sum is σ = 473928. Its totient is φ = 432000.

The previous prime is 452671. The next prime is 452687. The reversal of 452681 is 186254.

It can be written as a sum of positive squares in 4 ways, for example, as 116281 + 336400 = 341^2 + 580^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 452681 - 2¹⁰ = 451657 is a prime.

It is a super-2 number, since 2×452681² = 409840175522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 452681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452687) 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, 2411 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (59241).

2⁴⁵²⁶⁸¹ is an apocalyptic number.

452681 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

452681 is a deficient number, since it is larger than the sum of its proper divisors (21247).

452681 is a wasteful number, since it uses less digits than its factorization.

452681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

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

The square root of 452681 is about 672.8157251432. The cubic root of 452681 is about 76.7828253877.

The spelling of 452681 in words is "four hundred fifty-two thousand, six hundred eighty-one".