5216506845 has 16 divisors (see below), whose sum is σ = 9105175872. Its totient is φ = 2529215360.

The previous prime is 5216506783. The next prime is 5216506861. The reversal of 5216506845 is 5486056125.

It is not a de Polignac number, because 5216506845 - 2⁷ = 5216506717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5216506797 and 5216506806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15807432 + ... + 15807761.

It is an arithmetic number, because the mean of its divisors is an integer number (569073492).

Almost surely, 2^5216506845 is an apocalyptic number.

5216506845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5216506845 is a deficient number, since it is larger than the sum of its proper divisors (3888669027).

5216506845 is a wasteful number, since it uses less digits than its factorization.

5216506845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31615212.

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 5216506845 is about 72225.3891993667. The cubic root of 5216506845 is about 1734.3094633981.

The spelling of 5216506845 in words is "five billion, two hundred sixteen million, five hundred six thousand, eight hundred forty-five".