5013513221 has 4 divisors (see below), whose sum is σ = 5013816000. Its totient is φ = 5013210444.

The previous prime is 5013513151. The next prime is 5013513257. The reversal of 5013513221 is 1223153105.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1223153105 = 5 ⋅244630621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5013513221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5013513121) 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, 125021 + ... + 160178.

It is an arithmetic number, because the mean of its divisors is an integer number (1253454000).

Almost surely, 2^5013513221 is an apocalyptic number.

It is an amenable number.

5013513221 is a deficient number, since it is larger than the sum of its proper divisors (302779).

5013513221 is a wasteful number, since it uses less digits than its factorization.

5013513221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302778.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5013513221 is about 70806.1665464245. The cubic root of 5013513221 is about 1711.5150464867.

Adding to 5013513221 its reverse (1223153105), we get a palindrome (6236666326).

The spelling of 5013513221 in words is "five billion, thirteen million, five hundred thirteen thousand, two hundred twenty-one".