2535543243 has 20 divisors (see below), whose sum is σ = 3844203880. Its totient is φ = 1665129312.

The previous prime is 2535543211. The next prime is 2535543259. The reversal of 2535543243 is 3423455352.

2535543243 is a `hidden beast` number, since 2 + 535 + 54 + 32 + 43 = 666.

It is not a de Polignac number, because 2535543243 - 2⁵ = 2535543211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2535543198 and 2535543207.

It is not an unprimeable number, because it can be changed into a prime (2535548243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 228178 + ... + 239031.

It is an arithmetic number, because the mean of its divisors is an integer number (192210194).

Almost surely, 2^2535543243 is an apocalyptic number.

2535543243 is a deficient number, since it is larger than the sum of its proper divisors (1308660637).

2535543243 is an equidigital number, since it uses as much as digits as its factorization.

2535543243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467288 (or 467279 counting only the distinct ones).

The product of its digits is 216000, while the sum is 36.

The square root of 2535543243 is about 50354.1780093767. The cubic root of 2535543243 is about 1363.6105121608.

Adding to 2535543243 its reverse (3423455352), we get a palindrome (5958998595).

The spelling of 2535543243 in words is "two billion, five hundred thirty-five million, five hundred forty-three thousand, two hundred forty-three".