5105523817 has 4 divisors (see below), whose sum is σ = 5105776720. Its totient is φ = 5105270916.

The previous prime is 5105523791. The next prime is 5105523821. The reversal of 5105523817 is 7183255015.

It is a happy number.

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 5105523817 - 2¹¹ = 5105521769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5105523217) 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, 93267 + ... + 137512.

It is an arithmetic number, because the mean of its divisors is an integer number (1276444180).

Almost surely, 2^5105523817 is an apocalyptic number.

It is an amenable number.

5105523817 is a deficient number, since it is larger than the sum of its proper divisors (252903).

5105523817 is a wasteful number, since it uses less digits than its factorization.

5105523817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252902.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 5105523817 is about 71452.9482736717. The cubic root of 5105523817 is about 1721.9218441859.

The spelling of 5105523817 in words is "five billion, one hundred five million, five hundred twenty-three thousand, eight hundred seventeen".