450203641 has 2 divisors, whose sum is σ = 450203642. Its totient is φ = 450203640.

The previous prime is 450203597. The next prime is 450203683. The reversal of 450203641 is 146302054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442892025 + 7311616 = 21045^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 450203641 - 2²⁷ = 315985913 is a prime.

It is not a weakly prime, because it can be changed into another prime (450203141) 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, 225101820 + 225101821.

It is an arithmetic number, because the mean of its divisors is an integer number (225101821).

Almost surely, 2^450203641 is an apocalyptic number.

It is an amenable number.

450203641 is a deficient number, since it is larger than the sum of its proper divisors (1).

450203641 is an equidigital number, since it uses as much as digits as its factorization.

450203641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 450203641 is about 21218.0027570929. The cubic root of 450203641 is about 766.4250090494.

Adding to 450203641 its reverse (146302054), we get a palindrome (596505695).

The spelling of 450203641 in words is "four hundred fifty million, two hundred three thousand, six hundred forty-one".