5103323521 has 2 divisors, whose sum is σ = 5103323522. Its totient is φ = 5103323520.

The previous prime is 5103323507. The next prime is 5103323543. The reversal of 5103323521 is 1253233015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4155607296 + 947716225 = 64464^2 + 30785^2 .

It is a cyclic number.

It is not a de Polignac number, because 5103323521 - 2²⁷ = 4969105793 is a prime.

It is not a weakly prime, because it can be changed into another prime (5103323581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2551661760 + 2551661761.

It is an arithmetic number, because the mean of its divisors is an integer number (2551661761).

Almost surely, 2^5103323521 is an apocalyptic number.

It is an amenable number.

5103323521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5103323521 is an equidigital number, since it uses as much as digits as its factorization.

5103323521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 5103323521 is about 71437.5497970080. The cubic root of 5103323521 is about 1721.6744466428.

Adding to 5103323521 its reverse (1253233015), we get a palindrome (6356556536).

The spelling of 5103323521 in words is "five billion, one hundred three million, three hundred twenty-three thousand, five hundred twenty-one".