5125349165 has 4 divisors (see below), whose sum is σ = 6150419004. Its totient is φ = 4100279328.

The previous prime is 5125349149. The next prime is 5125349167. The reversal of 5125349165 is 5619435215.

5125349165 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5619435215 = 5 ⋅1123887043.

It can be written as a sum of positive squares in 2 ways, for example, as 3096477316 + 2028871849 = 55646^2 + 45043^2 .

It is a cyclic number.

It is not a de Polignac number, because 5125349165 - 2⁴ = 5125349149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125349167) 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, 512534912 + ... + 512534921.

It is an arithmetic number, because the mean of its divisors is an integer number (1537604751).

Almost surely, 2^5125349165 is an apocalyptic number.

It is an amenable number.

5125349165 is a deficient number, since it is larger than the sum of its proper divisors (1025069839).

5125349165 is a wasteful number, since it uses less digits than its factorization.

5125349165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025069838.

The product of its digits is 162000, while the sum is 41.

The square root of 5125349165 is about 71591.5439489888. The cubic root of 5125349165 is about 1724.1477736688.

The spelling of 5125349165 in words is "five billion, one hundred twenty-five million, three hundred forty-nine thousand, one hundred sixty-five".