452491 has 4 divisors (see below), whose sum is σ = 487312. Its totient is φ = 417672.

The previous prime is 452453. The next prime is 452497. The reversal of 452491 is 194254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194254 = 2 ⋅97127.

It is a cyclic number.

It is not a de Polignac number, because 452491 - 2⁷ = 452363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452497) 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, 17391 + ... + 17416.

It is an arithmetic number, because the mean of its divisors is an integer number (121828).

2⁴⁵²⁴⁹¹ is an apocalyptic number.

452491 is a deficient number, since it is larger than the sum of its proper divisors (34821).

452491 is a wasteful number, since it uses less digits than its factorization.

452491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34820.

The product of its digits is 1440, while the sum is 25.

The square root of 452491 is about 672.6745126731. The cubic root of 452491 is about 76.7720814140.

The spelling of 452491 in words is "four hundred fifty-two thousand, four hundred ninety-one".