13525254543 has 4 divisors (see below), whose sum is σ = 18033672728. Its totient is φ = 9016836360.

The previous prime is 13525254469. The next prime is 13525254569. The reversal of 13525254543 is 34545252531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13525254543 - 2⁸ = 13525254287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525254593) 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, 2254209088 + ... + 2254209093.

It is an arithmetic number, because the mean of its divisors is an integer number (4508418182).

Almost surely, 2^13525254543 is an apocalyptic number.

13525254543 is a deficient number, since it is larger than the sum of its proper divisors (4508418185).

13525254543 is an equidigital number, since it uses as much as digits as its factorization.

13525254543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508418184.

The product of its digits is 360000, while the sum is 39.

The spelling of 13525254543 in words is "thirteen billion, five hundred twenty-five million, two hundred fifty-four thousand, five hundred forty-three".