5005171021 has 8 divisors (see below), whose sum is σ = 5022568224. Its totient is φ = 4987804080.

The previous prime is 5005171019. The next prime is 5005171027. The reversal of 5005171021 is 1201715005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5005171021 - 2¹ = 5005171019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5005170983 and 5005171001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005171027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352950 + ... + 366856.

It is an arithmetic number, because the mean of its divisors is an integer number (627821028).

Almost surely, 2^5005171021 is an apocalyptic number.

It is an amenable number.

5005171021 is a deficient number, since it is larger than the sum of its proper divisors (17397203).

5005171021 is a wasteful number, since it uses less digits than its factorization.

5005171021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15131.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 5005171021 is about 70747.2333098617. The cubic root of 5005171021 is about 1710.5652316783.

Adding to 5005171021 its reverse (1201715005), we get a palindrome (6206886026).

The spelling of 5005171021 in words is "five billion, five million, one hundred seventy-one thousand, twenty-one".