2528200643 has 4 divisors (see below), whose sum is σ = 2528321328. Its totient is φ = 2528079960.

The previous prime is 2528200637. The next prime is 2528200651. The reversal of 2528200643 is 3460028252.

2528200643 is digitally balanced in base 2, 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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2528200643 - 2¹⁸ = 2527938499 is a prime.

It is a super-2 number, since 2×2528200643² = 12783596982531226898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528200613) 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, 19871 + ... + 73832.

It is an arithmetic number, because the mean of its divisors is an integer number (632080332).

Almost surely, 2^2528200643 is an apocalyptic number.

2528200643 is a deficient number, since it is larger than the sum of its proper divisors (120685).

2528200643 is an equidigital number, since it uses as much as digits as its factorization.

2528200643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120684.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2528200643 is about 50281.2156078192. The cubic root of 2528200643 is about 1362.2929605785.

Adding to 2528200643 its reverse (3460028252), we get a palindrome (5988228895).

The spelling of 2528200643 in words is "two billion, five hundred twenty-eight million, two hundred thousand, six hundred forty-three".