5321513503 has 2 divisors, whose sum is σ = 5321513504. Its totient is φ = 5321513502.

The previous prime is 5321513501. The next prime is 5321513507. The reversal of 5321513503 is 3053151235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5321513503 - 2¹ = 5321513501 is a prime.

It is a super-3 number, since 3×5321513503³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 5321513501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5321513501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660756751 + 2660756752.

It is an arithmetic number, because the mean of its divisors is an integer number (2660756752).

Almost surely, 2^5321513503 is an apocalyptic number.

5321513503 is a deficient number, since it is larger than the sum of its proper divisors (1).

5321513503 is an equidigital number, since it uses as much as digits as its factorization.

5321513503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 5321513503 is about 72948.7046012470. The cubic root of 5321513503 is about 1745.8692781990.

Adding to 5321513503 its reverse (3053151235), we get a palindrome (8374664738).

The spelling of 5321513503 in words is "five billion, three hundred twenty-one million, five hundred thirteen thousand, five hundred three".