5030013521 has 4 divisors (see below), whose sum is σ = 5416937652. Its totient is φ = 4643089392.

The previous prime is 5030013511. The next prime is 5030013529. The reversal of 5030013521 is 1253100305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2496401296 + 2533612225 = 49964^2 + 50335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5030013521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5030013493 and 5030013502.

It is not an unprimeable number, because it can be changed into a prime (5030013529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193462046 + ... + 193462071.

It is an arithmetic number, because the mean of its divisors is an integer number (1354234413).

Almost surely, 2^5030013521 is an apocalyptic number.

It is an amenable number.

5030013521 is a deficient number, since it is larger than the sum of its proper divisors (386924131).

5030013521 is a wasteful number, since it uses less digits than its factorization.

5030013521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386924130.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 5030013521 is about 70922.5882282930. The cubic root of 5030013521 is about 1713.3906166113.

Adding to 5030013521 its reverse (1253100305), we get a palindrome (6283113826).

The spelling of 5030013521 in words is "five billion, thirty million, thirteen thousand, five hundred twenty-one".