452320812305 has 4 divisors (see below), whose sum is σ = 542784974772. Its totient is φ = 361856649840.

The previous prime is 452320812271. The next prime is 452320812313. The reversal of 452320812305 is 503218023254.

It is a Cunningham number, because it is equal to 672548²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503218023254 = 2 ⋅251609011627.

It can be written as a sum of positive squares in 2 ways, for example, as 162834846784 + 289485965521 = 403528^2 + 538039^2 .

It is not a de Polignac number, because 452320812305 - 2²⁰ = 452319763729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45232081226 + ... + 45232081235.

It is an arithmetic number, because the mean of its divisors is an integer number (135696243693).

Almost surely, 2^452320812305 is an apocalyptic number.

It is an amenable number.

452320812305 is a deficient number, since it is larger than the sum of its proper divisors (90464162467).

452320812305 is an equidigital number, since it uses as much as digits as its factorization.

452320812305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90464162466.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 452320812305 its reverse (503218023254), we get a palindrome (955538835559).

The spelling of 452320812305 in words is "four hundred fifty-two billion, three hundred twenty million, eight hundred twelve thousand, three hundred five".