25432531235 has 4 divisors (see below), whose sum is σ = 30519037488. Its totient is φ = 20346024984.

The previous prime is 25432531217. The next prime is 25432531259. The reversal of 25432531235 is 53213523452.

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

It is a cyclic number.

It is not a de Polignac number, because 25432531235 - 2²² = 25428336931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25432531195 and 25432531204.

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, 2543253119 + ... + 2543253128.

It is an arithmetic number, because the mean of its divisors is an integer number (7629759372).

Almost surely, 2^25432531235 is an apocalyptic number.

25432531235 is a deficient number, since it is larger than the sum of its proper divisors (5086506253).

25432531235 is an equidigital number, since it uses as much as digits as its factorization.

25432531235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086506252.

The product of its digits is 108000, while the sum is 35.

The spelling of 25432531235 in words is "twenty-five billion, four hundred thirty-two million, five hundred thirty-one thousand, two hundred thirty-five".