12524534549 has 2 divisors, whose sum is σ = 12524534550. Its totient is φ = 12524534548.

The previous prime is 12524534537. The next prime is 12524534623. The reversal of 12524534549 is 94543542521.

12524534549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12492532900 + 32001649 = 111770^2 + 5657^2 .

It is an emirp because it is prime and its reverse (94543542521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12524534549 - 2¹² = 12524530453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12524534849) 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 as a sum of consecutive naturals, namely, 6262267274 + 6262267275.

It is an arithmetic number, because the mean of its divisors is an integer number (6262267275).

Almost surely, 2^12524534549 is an apocalyptic number.

It is an amenable number.

12524534549 is a deficient number, since it is larger than the sum of its proper divisors (1).

12524534549 is an equidigital number, since it uses as much as digits as its factorization.

12524534549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 44.

The spelling of 12524534549 in words is "twelve billion, five hundred twenty-four million, five hundred thirty-four thousand, five hundred forty-nine".