13540254025 has 6 divisors (see below), whose sum is σ = 16789915022. Its totient is φ = 10832203200.

The previous prime is 13540254011. The next prime is 13540254043. The reversal of 13540254025 is 52045204531.

13540254025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1818510736 + 11721743289 = 42644^2 + 108267^2 .

It is not a de Polignac number, because 13540254025 - 2⁹ = 13540253513 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 270805056 + ... + 270805105.

Almost surely, 2^13540254025 is an apocalyptic number.

It is an amenable number.

13540254025 is a deficient number, since it is larger than the sum of its proper divisors (3249660997).

13540254025 is an equidigital number, since it uses as much as digits as its factorization.

13540254025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541610171 (or 541610166 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 13540254025 its reverse (52045204531), we get a palindrome (65585458556).

The spelling of 13540254025 in words is "thirteen billion, five hundred forty million, two hundred fifty-four thousand, twenty-five".