503235216441 has 6 divisors (see below), whose sum is σ = 726895312650. Its totient is φ = 335490144288.

The previous prime is 503235216439. The next prime is 503235216457. The reversal of 503235216441 is 144612532305.

503235216441 is a `hidden beast` number, since 5 + 0 + 3 + 2 + 3 + 5 + 2 + 1 + 644 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 481214140416 + 22021076025 = 693696^2 + 148395^2 .

It is not a de Polignac number, because 503235216441 - 2¹ = 503235216439 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 503235216396 and 503235216405.

It is not an unprimeable number, because it can be changed into a prime (503235216461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27957512016 + ... + 27957512033.

It is an arithmetic number, because the mean of its divisors is an integer number (121149218775).

Almost surely, 2^503235216441 is an apocalyptic number.

It is an amenable number.

503235216441 is a deficient number, since it is larger than the sum of its proper divisors (223660096209).

503235216441 is a wasteful number, since it uses less digits than its factorization.

503235216441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55915024055 (or 55915024052 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 503235216441 its reverse (144612532305), we get a palindrome (647847748746).

The spelling of 503235216441 in words is "five hundred three billion, two hundred thirty-five million, two hundred sixteen thousand, four hundred forty-one".