13525235435 has 4 divisors (see below), whose sum is σ = 16230282528. Its totient is φ = 10820188344.

The previous prime is 13525235419. The next prime is 13525235447. The reversal of 13525235435 is 53453252531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53453252531 = 7 ⋅7636178933.

It is a cyclic number.

It is not a de Polignac number, because 13525235435 - 2⁴ = 13525235419 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352523539 + ... + 1352523548.

It is an arithmetic number, because the mean of its divisors is an integer number (4057570632).

Almost surely, 2^13525235435 is an apocalyptic number.

13525235435 is a deficient number, since it is larger than the sum of its proper divisors (2705047093).

13525235435 is an equidigital number, since it uses as much as digits as its factorization.

13525235435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705047092.

The product of its digits is 270000, while the sum is 38.

Adding to 13525235435 its reverse (53453252531), we get a palindrome (66978487966).

The spelling of 13525235435 in words is "thirteen billion, five hundred twenty-five million, two hundred thirty-five thousand, four hundred thirty-five".