2028520593 has 18 divisors (see below), whose sum is σ = 3220674002. Its totient is φ = 1229405760.

The previous prime is 2028520537. The next prime is 2028520603. The reversal of 2028520593 is 3950258202.

2028520593 is a `hidden beast` number, since 20 + 28 + 5 + 20 + 593 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1943751744 + 84768849 = 44088^2 + 9207^2 .

It is not a de Polignac number, because 2028520593 - 2²⁹ = 1491649681 is a prime.

It is a super-2 number, since 2×2028520593² = 8229791592450143298, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2028120593) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 930280 + ... + 932457.

Almost surely, 2^2028520593 is an apocalyptic number.

It is an amenable number.

2028520593 is a deficient number, since it is larger than the sum of its proper divisors (1192153409).

2028520593 is a wasteful number, since it uses less digits than its factorization.

2028520593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862765 (or 1862751 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 2028520593 is about 45039.1007126030. The cubic root of 2028520593 is about 1265.8817544900.

Adding to 2028520593 its reverse (3950258202), we get a palindrome (5978778795).

The spelling of 2028520593 in words is "two billion, twenty-eight million, five hundred twenty thousand, five hundred ninety-three".