450321307 has 2 divisors, whose sum is σ = 450321308. Its totient is φ = 450321306.

The previous prime is 450321293. The next prime is 450321317. The reversal of 450321307 is 703123054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450321307 is a prime.

It is not a weakly prime, because it can be changed into another prime (450321317) by changing a digit.

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 as a sum of consecutive naturals, namely, 225160653 + 225160654.

It is an arithmetic number, because the mean of its divisors is an integer number (225160654).

Almost surely, 2^450321307 is an apocalyptic number.

450321307 is a deficient number, since it is larger than the sum of its proper divisors (1).

450321307 is an equidigital number, since it uses as much as digits as its factorization.

450321307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 450321307 is about 21220.7753628372. The cubic root of 450321307 is about 766.4917746204.

The spelling of 450321307 in words is "four hundred fifty million, three hundred twenty-one thousand, three hundred seven".