5013563521 has 2 divisors, whose sum is σ = 5013563522. Its totient is φ = 5013563520.

The previous prime is 5013563519. The next prime is 5013563531. The reversal of 5013563521 is 1253653105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5012640000 + 923521 = 70800^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 5013563521 - 2¹ = 5013563519 is a prime.

Together with 5013563519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5013563531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506781760 + 2506781761.

It is an arithmetic number, because the mean of its divisors is an integer number (2506781761).

Almost surely, 2^5013563521 is an apocalyptic number.

It is an amenable number.

5013563521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5013563521 is an equidigital number, since it uses as much as digits as its factorization.

5013563521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 5013563521 is about 70806.5217405855. The cubic root of 5013563521 is about 1711.5207702786.

The spelling of 5013563521 in words is "five billion, thirteen million, five hundred sixty-three thousand, five hundred twenty-one".