452320663 has 4 divisors (see below), whose sum is σ = 452366208. Its totient is φ = 452275120.

The previous prime is 452320657. The next prime is 452320667. The reversal of 452320663 is 366023254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 366023254 = 2 ⋅183011627.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452320663 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452320667) 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, 823 + ... + 30088.

It is an arithmetic number, because the mean of its divisors is an integer number (113091552).

Almost surely, 2^452320663 is an apocalyptic number.

452320663 is a deficient number, since it is larger than the sum of its proper divisors (45545).

452320663 is a wasteful number, since it uses less digits than its factorization.

452320663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45544.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 452320663 is about 21267.8316478197. The cubic root of 452320663 is about 767.6244677127.

The spelling of 452320663 in words is "four hundred fifty-two million, three hundred twenty thousand, six hundred sixty-three".