5005313221 has 4 divisors (see below), whose sum is σ = 5041848492. Its totient is φ = 4968777952.

The previous prime is 5005313207. The next prime is 5005313267. The reversal of 5005313221 is 1223135005.

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 2664108225 + 2341204996 = 51615^2 + 48386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5005313221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5005313192 and 5005313201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005317221) 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, 18267430 + ... + 18267703.

It is an arithmetic number, because the mean of its divisors is an integer number (1260462123).

Almost surely, 2^5005313221 is an apocalyptic number.

It is an amenable number.

5005313221 is a deficient number, since it is larger than the sum of its proper divisors (36535271).

5005313221 is a wasteful number, since it uses less digits than its factorization.

5005313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36535270.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5005313221 is about 70748.2382890203. The cubic root of 5005313221 is about 1710.5814309298.

Adding to 5005313221 its reverse (1223135005), we get a palindrome (6228448226).

The spelling of 5005313221 in words is "five billion, five million, three hundred thirteen thousand, two hundred twenty-one".