450240503 has 2 divisors, whose sum is σ = 450240504. Its totient is φ = 450240502.

The previous prime is 450240491. The next prime is 450240521. The reversal of 450240503 is 305042054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450240503 - 2¹⁰ = 450239479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450740503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225120251 + 225120252.

It is an arithmetic number, because the mean of its divisors is an integer number (225120252).

Almost surely, 2^450240503 is an apocalyptic number.

450240503 is a deficient number, since it is larger than the sum of its proper divisors (1).

450240503 is an equidigital number, since it uses as much as digits as its factorization.

450240503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 450240503 is about 21218.8713884598. The cubic root of 450240503 is about 766.4459263892.

Adding to 450240503 its reverse (305042054), we get a palindrome (755282557).

The spelling of 450240503 in words is "four hundred fifty million, two hundred forty thousand, five hundred three".