6597965725 has 36 divisors (see below), whose sum is σ = 9210796756. Its totient is φ = 4660381440.

The previous prime is 6597965719. The next prime is 6597965747. The reversal of 6597965725 is 5275697956.

6597965725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2815469721 + 3782496004 = 53061^2 + 61502^2 .

It is not a de Polignac number, because 6597965725 - 2¹¹ = 6597963677 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 35 ways as a sum of consecutive naturals, for example, 152737 + ... + 191113.

Almost surely, 2^6597965725 is an apocalyptic number.

6597965725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6597965725 is a deficient number, since it is larger than the sum of its proper divisors (2612831031).

6597965725 is a wasteful number, since it uses less digits than its factorization.

6597965725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38446 (or 38418 counting only the distinct ones).

The product of its digits is 35721000, while the sum is 61.

The square root of 6597965725 is about 81227.8629843233. The cubic root of 6597965725 is about 1875.5847160086.

Subtracting from 6597965725 its reverse (5275697956), we obtain a square (1322267769 = 36363²).

The spelling of 6597965725 in words is "six billion, five hundred ninety-seven million, nine hundred sixty-five thousand, seven hundred twenty-five".