452991 has 32 divisors (see below), whose sum is σ = 787968. Its totient is φ = 224640.

The previous prime is 452989. The next prime is 453023. The reversal of 452991 is 199254.

It is a happy number.

It is not a de Polignac number, because 452991 - 2¹ = 452989 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8521 + ... + 8573.

It is an arithmetic number, because the mean of its divisors is an integer number (24624).

2⁴⁵²⁹⁹¹ is an apocalyptic number.

452991 is a deficient number, since it is larger than the sum of its proper divisors (334977).

452991 is a wasteful number, since it uses less digits than its factorization.

452991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111.

The product of its digits is 3240, while the sum is 30.

The square root of 452991 is about 673.0460608309. The cubic root of 452991 is about 76.8003485770.

The spelling of 452991 in words is "four hundred fifty-two thousand, nine hundred ninety-one".