450320543 has 2 divisors, whose sum is σ = 450320544. Its totient is φ = 450320542.

The previous prime is 450320513. The next prime is 450320561. The reversal of 450320543 is 345023054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450320543 - 2¹⁴ = 450304159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450320513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225160271 + 225160272.

It is an arithmetic number, because the mean of its divisors is an integer number (225160272).

Almost surely, 2^450320543 is an apocalyptic number.

450320543 is a deficient number, since it is larger than the sum of its proper divisors (1).

450320543 is an equidigital number, since it uses as much as digits as its factorization.

450320543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 450320543 is about 21220.7573616023. The cubic root of 450320543 is about 766.4913411521.

Adding to 450320543 its reverse (345023054), we get a palindrome (795343597).

The spelling of 450320543 in words is "four hundred fifty million, three hundred twenty thousand, five hundred forty-three".