505224420253 has 16 divisors (see below), whose sum is σ = 589772597760. Its totient is φ = 423834229296.

The previous prime is 505224420247. The next prime is 505224420307. The reversal of 505224420253 is 352024422505.

It is a cyclic number.

It is not a de Polignac number, because 505224420253 - 2¹⁷ = 505224289181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505224420353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2600751 + ... + 2788252.

It is an arithmetic number, because the mean of its divisors is an integer number (36860787360).

Almost surely, 2^505224420253 is an apocalyptic number.

It is an amenable number.

505224420253 is a deficient number, since it is larger than the sum of its proper divisors (84548177507).

505224420253 is a wasteful number, since it uses less digits than its factorization.

505224420253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389296.

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 505224420253 its reverse (352024422505), we get a palindrome (857248842758).

The spelling of 505224420253 in words is "five hundred five billion, two hundred twenty-four million, four hundred twenty thousand, two hundred fifty-three".