450000505 has 8 divisors (see below), whose sum is σ = 544955400. Its totient is φ = 356697216.

The previous prime is 450000479. The next prime is 450000521. The reversal of 450000505 is 505000054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 221295376 + 228705129 = 14876^2 + 15123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450000505 - 2⁹ = 449999993 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 412300 + ... + 413389.

It is an arithmetic number, because the mean of its divisors is an integer number (68119425).

Almost surely, 2^450000505 is an apocalyptic number.

It is an amenable number.

450000505 is a deficient number, since it is larger than the sum of its proper divisors (94954895).

450000505 is a wasteful number, since it uses less digits than its factorization.

450000505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825803.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 450000505 is about 21213.2153385572. The cubic root of 450000505 is about 766.3097190499.

Adding to 450000505 its reverse (505000054), we get a palindrome (955000559).

The spelling of 450000505 in words is "four hundred fifty million, five hundred five", and thus it is an aban number.