450513321 has 16 divisors (see below), whose sum is σ = 611635200. Its totient is φ = 294879888.

The previous prime is 450513319. The next prime is 450513331. The reversal of 450513321 is 123315054.

It is not a de Polignac number, because 450513321 - 2¹ = 450513319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450513291 and 450513300.

It is not an unprimeable number, because it can be changed into a prime (450513331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255240 + ... + 256998.

It is an arithmetic number, because the mean of its divisors is an integer number (38227200).

Almost surely, 2^450513321 is an apocalyptic number.

It is an amenable number.

450513321 is a deficient number, since it is larger than the sum of its proper divisors (161121879).

450513321 is a wasteful number, since it uses less digits than its factorization.

450513321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 450513321 is about 21225.2990791649. The cubic root of 450513321 is about 766.6007014658.

Adding to 450513321 its reverse (123315054), we get a palindrome (573828375).

The spelling of 450513321 in words is "four hundred fifty million, five hundred thirteen thousand, three hundred twenty-one".