503222545253 has 4 divisors (see below), whose sum is σ = 505039233420. Its totient is φ = 501405857088.

The previous prime is 503222545207. The next prime is 503222545271. The reversal of 503222545253 is 352545222305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23558259169 + 479664286084 = 153487^2 + 692578^2 .

It is a cyclic number.

It is not a de Polignac number, because 503222545253 - 2¹⁰ = 503222544229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503222545283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908343668 + ... + 908344221.

It is an arithmetic number, because the mean of its divisors is an integer number (126259808355).

Almost surely, 2^503222545253 is an apocalyptic number.

It is an amenable number.

503222545253 is a deficient number, since it is larger than the sum of its proper divisors (1816688167).

503222545253 is a wasteful number, since it uses less digits than its factorization.

503222545253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816688166.

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 503222545253 its reverse (352545222305), we get a palindrome (855767767558).

The spelling of 503222545253 in words is "five hundred three billion, two hundred twenty-two million, five hundred forty-five thousand, two hundred fifty-three".