450005503 has 2 divisors, whose sum is σ = 450005504. Its totient is φ = 450005502.

The previous prime is 450005473. The next prime is 450005509. The reversal of 450005503 is 305500054.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450005503 - 2¹⁷ = 449874431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450005509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225002751 + 225002752.

It is an arithmetic number, because the mean of its divisors is an integer number (225002752).

Almost surely, 2^450005503 is an apocalyptic number.

450005503 is a deficient number, since it is larger than the sum of its proper divisors (1).

450005503 is an equidigital number, since it uses as much as digits as its factorization.

450005503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 450005503 is about 21213.3331421538. Note that the first 3 decimals coincide. The cubic root of 450005503 is about 766.3125560851.

Adding to 450005503 its reverse (305500054), we get a palindrome (755505557).

The spelling of 450005503 in words is "four hundred fifty million, five thousand, five hundred three".