450320329 has 2 divisors, whose sum is σ = 450320330. Its totient is φ = 450320328.

The previous prime is 450320279. The next prime is 450320357. The reversal of 450320329 is 923023054.

It is an a-pointer prime, because the next prime (450320357) can be obtained adding 450320329 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381811600 + 68508729 = 19540^2 + 8277^2 .

It is a cyclic number.

It is not a de Polignac number, because 450320329 - 2⁷ = 450320201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450320297 and 450320306.

It is not a weakly prime, because it can be changed into another prime (450320369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225160164 + 225160165.

It is an arithmetic number, because the mean of its divisors is an integer number (225160165).

Almost surely, 2^450320329 is an apocalyptic number.

It is an amenable number.

450320329 is a deficient number, since it is larger than the sum of its proper divisors (1).

450320329 is an equidigital number, since it uses as much as digits as its factorization.

450320329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 450320329 is about 21220.7523193689. The cubic root of 450320329 is about 766.4912197355.

The spelling of 450320329 in words is "four hundred fifty million, three hundred twenty thousand, three hundred twenty-nine".