503234225461 has 12 divisors (see below), whose sum is σ = 562209657772. Its totient is φ = 449985888000.

The previous prime is 503234225449. The next prime is 503234225491. The reversal of 503234225461 is 164522432305.

It can be written as a sum of positive squares in 2 ways, for example, as 16422422500 + 486811802961 = 128150^2 + 697719^2 .

It is a de Polignac number, because none of the positive numbers 2^k-503234225461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503234225461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503234225401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34082460 + ... + 34097221.

Almost surely, 2^503234225461 is an apocalyptic number.

It is an amenable number.

503234225461 is a deficient number, since it is larger than the sum of its proper divisors (58975432311).

503234225461 is a wasteful number, since it uses less digits than its factorization.

503234225461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68179764 (or 68179753 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 503234225461 its reverse (164522432305), we get a palindrome (667756657766).

The spelling of 503234225461 in words is "five hundred three billion, two hundred thirty-four million, two hundred twenty-five thousand, four hundred sixty-one".