5205130125 has 128 divisors (see below), whose sum is σ = 9959459328. Its totient is φ = 2391552000.

The previous prime is 5205130121. The next prime is 5205130127. The reversal of 5205130125 is 5210315025.

It is a happy number.

It is not a de Polignac number, because 5205130125 - 2² = 5205130121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5205130095 and 5205130104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205130121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15000202 + ... + 15000548.

It is an arithmetic number, because the mean of its divisors is an integer number (77808276).

Almost surely, 2^5205130125 is an apocalyptic number.

It is an amenable number.

5205130125 is a deficient number, since it is larger than the sum of its proper divisors (4754329203).

5205130125 is a wasteful number, since it uses less digits than its factorization.

5205130125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 5205130125 is about 72146.5877571490. The cubic root of 5205130125 is about 1733.0477561037.

It can be divided in two parts, 5205 and 130125, that multiplied together give a square (677300625 = 26025²).

The spelling of 5205130125 in words is "five billion, two hundred five million, one hundred thirty thousand, one hundred twenty-five".