450391607 has 2 divisors, whose sum is σ = 450391608. Its totient is φ = 450391606.

The previous prime is 450391567. The next prime is 450391631. The reversal of 450391607 is 706193054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450391607 - 2¹⁰ = 450390583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450391307) 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, 225195803 + 225195804.

It is an arithmetic number, because the mean of its divisors is an integer number (225195804).

Almost surely, 2^450391607 is an apocalyptic number.

450391607 is a deficient number, since it is larger than the sum of its proper divisors (1).

450391607 is an equidigital number, since it uses as much as digits as its factorization.

450391607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 450391607 is about 21222.4316938470. The cubic root of 450391607 is about 766.5316584154.

The spelling of 450391607 in words is "four hundred fifty million, three hundred ninety-one thousand, six hundred seven".