2543532436 has 12 divisors (see below), whose sum is σ = 4454350740. Its totient is φ = 1270860800.

The previous prime is 2543532419. The next prime is 2543532443. The reversal of 2543532436 is 6342353452.

It can be written as a sum of positive squares in 2 ways, for example, as 1229904900 + 1313627536 = 35070^2 + 36244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2543532395 and 2543532404.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 220015 + ... + 231286.

It is an arithmetic number, because the mean of its divisors is an integer number (371195895).

Almost surely, 2^2543532436 is an apocalyptic number.

It is an amenable number.

2543532436 is a deficient number, since it is larger than the sum of its proper divisors (1910818304).

2543532436 is a wasteful number, since it uses less digits than its factorization.

2543532436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452714 (or 452712 counting only the distinct ones).

The product of its digits is 259200, while the sum is 37.

The square root of 2543532436 is about 50433.4456090400. The cubic root of 2543532436 is about 1365.0412016885.

Adding to 2543532436 its reverse (6342353452), we get a palindrome (8885885888).

The spelling of 2543532436 in words is "two billion, five hundred forty-three million, five hundred thirty-two thousand, four hundred thirty-six".