5215804817 has 8 divisors (see below), whose sum is σ = 5580327360. Its totient is φ = 4860282960.

The previous prime is 5215804787. The next prime is 5215804871. The reversal of 5215804817 is 7184085125.

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 5215804817 - 2⁶ = 5215804753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5215804877) 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, 2248973 + ... + 2251290.

It is an arithmetic number, because the mean of its divisors is an integer number (697540920).

Almost surely, 2^5215804817 is an apocalyptic number.

It is an amenable number.

5215804817 is a deficient number, since it is larger than the sum of its proper divisors (364522543).

5215804817 is a wasteful number, since it uses less digits than its factorization.

5215804817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500343.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 5215804817 is about 72220.5290551101. The cubic root of 5215804817 is about 1734.2316598371.

The spelling of 5215804817 in words is "five billion, two hundred fifteen million, eight hundred four thousand, eight hundred seventeen".