450780697 has 2 divisors, whose sum is σ = 450780698. Its totient is φ = 450780696.

The previous prime is 450780679. The next prime is 450780751. The reversal of 450780697 is 796087054.

It is a happy number.

Together with previous prime (450780679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317516761 + 133263936 = 17819^2 + 11544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450780697 is a prime.

It is not a weakly prime, because it can be changed into another prime (450780607) 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 as a sum of consecutive naturals, namely, 225390348 + 225390349.

It is an arithmetic number, because the mean of its divisors is an integer number (225390349).

Almost surely, 2^450780697 is an apocalyptic number.

It is an amenable number.

450780697 is a deficient number, since it is larger than the sum of its proper divisors (1).

450780697 is an equidigital number, since it uses as much as digits as its factorization.

450780697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 450780697 is about 21231.5966662896. The cubic root of 450780697 is about 766.7523285716.

The spelling of 450780697 in words is "four hundred fifty million, seven hundred eighty thousand, six hundred ninety-seven".