5208438173 has 4 divisors (see below), whose sum is σ = 5215448928. Its totient is φ = 5201427420.

The previous prime is 5208438143. The next prime is 5208438187. The reversal of 5208438173 is 3718348025.

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.

It is a cyclic number.

It is not a de Polignac number, because 5208438173 - 2²⁶ = 5141329309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5208438173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5208438133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3504263 + ... + 3505748.

It is an arithmetic number, because the mean of its divisors is an integer number (1303862232).

Almost surely, 2^5208438173 is an apocalyptic number.

It is an amenable number.

5208438173 is a deficient number, since it is larger than the sum of its proper divisors (7010755).

5208438173 is an equidigital number, since it uses as much as digits as its factorization.

5208438173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010754.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 5208438173 is about 72169.5099955653. The cubic root of 5208438173 is about 1733.4148164809.

The spelling of 5208438173 in words is "five billion, two hundred eight million, four hundred thirty-eight thousand, one hundred seventy-three".