503320260253 has 2 divisors, whose sum is σ = 503320260254. Its totient is φ = 503320260252.

The previous prime is 503320260197. The next prime is 503320260259. The reversal of 503320260253 is 352062023305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498587095449 + 4733164804 = 706107^2 + 68798^2 .

It is a cyclic number.

It is not a de Polignac number, because 503320260253 - 2³⁷ = 365881306781 is a prime.

It is a super-2 number, since 2×503320260253² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503320260259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251660130126 + 251660130127.

It is an arithmetic number, because the mean of its divisors is an integer number (251660130127).

Almost surely, 2^503320260253 is an apocalyptic number.

It is an amenable number.

503320260253 is a deficient number, since it is larger than the sum of its proper divisors (1).

503320260253 is an equidigital number, since it uses as much as digits as its factorization.

503320260253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 503320260253 its reverse (352062023305), we get a palindrome (855382283558).

The spelling of 503320260253 in words is "five hundred three billion, three hundred twenty million, two hundred sixty thousand, two hundred fifty-three".