5208265165 has 8 divisors (see below), whose sum is σ = 6250704408. Its totient is φ = 4166088000.

The previous prime is 5208265159. The next prime is 5208265171. The reversal of 5208265165 is 5615628025.

It is an interprime number because it is at equal distance from previous prime (5208265159) and next prime (5208265171).

It can be written as a sum of positive squares in 4 ways, for example, as 20088324 + 5188176841 = 4482^2 + 72029^2 .

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

It is not a de Polignac number, because 5208265165 - 2⁵ = 5208265133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18762 + ... + 103771.

It is an arithmetic number, because the mean of its divisors is an integer number (781338051).

Almost surely, 2^5208265165 is an apocalyptic number.

It is an amenable number.

5208265165 is a deficient number, since it is larger than the sum of its proper divisors (1042439243).

5208265165 is a wasteful number, since it uses less digits than its factorization.

5208265165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131039.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 5208265165 is about 72168.3113630907. The cubic root of 5208265165 is about 1733.3956233984.

The spelling of 5208265165 in words is "five billion, two hundred eight million, two hundred sixty-five thousand, one hundred sixty-five".