450006321 has 8 divisors (see below), whose sum is σ = 616225024. Its totient is φ = 291895920.

The previous prime is 450006313. The next prime is 450006331. The reversal of 450006321 is 123600054.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450006321 - 2³ = 450006313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450006331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2026945 + ... + 2027166.

It is an arithmetic number, because the mean of its divisors is an integer number (77028128).

Almost surely, 2^450006321 is an apocalyptic number.

It is an amenable number.

450006321 is a deficient number, since it is larger than the sum of its proper divisors (166218703).

450006321 is a wasteful number, since it uses less digits than its factorization.

450006321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054151.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 450006321 is about 21213.3524224720. The cubic root of 450006321 is about 766.3130204078.

Adding to 450006321 its reverse (123600054), we get a palindrome (573606375).

The spelling of 450006321 in words is "four hundred fifty million, six thousand, three hundred twenty-one".