450203407 has 2 divisors, whose sum is σ = 450203408. Its totient is φ = 450203406.

The previous prime is 450203399. The next prime is 450203431. The reversal of 450203407 is 704302054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450203407 - 2³ = 450203399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450203447) 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, 225101703 + 225101704.

It is an arithmetic number, because the mean of its divisors is an integer number (225101704).

Almost surely, 2^450203407 is an apocalyptic number.

450203407 is a deficient number, since it is larger than the sum of its proper divisors (1).

450203407 is an equidigital number, since it uses as much as digits as its factorization.

450203407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 450203407 is about 21217.9972429068. The cubic root of 450203407 is about 766.4248762624.

The spelling of 450203407 in words is "four hundred fifty million, two hundred three thousand, four hundred seven".