2543532242 has 16 divisors (see below), whose sum is σ = 4027632000. Its totient is φ = 1201372560.

The previous prime is 2543532239. The next prime is 2543532247. The reversal of 2543532242 is 2422353452.

It is a junction number, because it is equal to n+sod(n) for n = 2543532199 and 2543532208.

It is not an unprimeable number, because it can be changed into a prime (2543532247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82634 + ... + 109157.

It is an arithmetic number, because the mean of its divisors is an integer number (251727000).

Almost surely, 2^2543532242 is an apocalyptic number.

2543532242 is a deficient number, since it is larger than the sum of its proper divisors (1484099758).

2543532242 is a wasteful number, since it uses less digits than its factorization.

2543532242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192161.

The product of its digits is 57600, while the sum is 32.

The square root of 2543532242 is about 50433.4436857132. The cubic root of 2543532242 is about 1365.0411669838.

Adding to 2543532242 its reverse (2422353452), we get a palindrome (4965885694).

The spelling of 2543532242 in words is "two billion, five hundred forty-three million, five hundred thirty-two thousand, two hundred forty-two".