450343213 has 4 divisors (see below), whose sum is σ = 456043840. Its totient is φ = 444642588.

The previous prime is 450343211. The next prime is 450343217. The reversal of 450343213 is 312343054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312343054 = 2 ⋅156171527.

It is a cyclic number.

It is not a de Polignac number, because 450343213 - 2¹ = 450343211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450343211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2850195 + ... + 2850352.

It is an arithmetic number, because the mean of its divisors is an integer number (114010960).

Almost surely, 2^450343213 is an apocalyptic number.

It is an amenable number.

450343213 is a deficient number, since it is larger than the sum of its proper divisors (5700627).

450343213 is an equidigital number, since it uses as much as digits as its factorization.

450343213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700626.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 450343213 is about 21221.2915016971. The cubic root of 450343213 is about 766.5042031511.

Adding to 450343213 its reverse (312343054), we get a palindrome (762686267).

The spelling of 450343213 in words is "four hundred fifty million, three hundred forty-three thousand, two hundred thirteen".