5001563521 has 4 divisors (see below), whose sum is σ = 5007078832. Its totient is φ = 4996048212.

The previous prime is 5001563513. The next prime is 5001563543. The reversal of 5001563521 is 1253651005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5001563521 - 2³ = 5001563513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5001563521.

It is not an unprimeable number, because it can be changed into a prime (5001563821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756295 + ... + 2758108.

It is an arithmetic number, because the mean of its divisors is an integer number (1251769708).

Almost surely, 2^5001563521 is an apocalyptic number.

It is an amenable number.

5001563521 is a deficient number, since it is larger than the sum of its proper divisors (5515311).

5001563521 is an equidigital number, since it uses as much as digits as its factorization.

5001563521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515310.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5001563521 is about 70721.7330175103. The cubic root of 5001563521 is about 1710.1541669880.

The spelling of 5001563521 in words is "five billion, one million, five hundred sixty-three thousand, five hundred twenty-one".