2065520275 has 60 divisors (see below), whose sum is σ = 3218998832. Its totient is φ = 1306912320.

The previous prime is 2065520269. The next prime is 2065520291. The reversal of 2065520275 is 5720255602.

It is not a de Polignac number, because 2065520275 - 2¹¹ = 2065518227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2065520275.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 779002 + ... + 781648.

Almost surely, 2^2065520275 is an apocalyptic number.

2065520275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2065520275 is a deficient number, since it is larger than the sum of its proper divisors (1153478557).

2065520275 is an equidigital number, since it uses as much as digits as its factorization.

2065520275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 2065520275 is about 45447.9952803201. The cubic root of 2065520275 is about 1273.5318792961.

Adding to 2065520275 its reverse (5720255602), we get a palindrome (7785775877).

The spelling of 2065520275 in words is "two billion, sixty-five million, five hundred twenty thousand, two hundred seventy-five".