25832835085 has 4 divisors (see below), whose sum is σ = 30999402108. Its totient is φ = 20666268064.

The previous prime is 25832835071. The next prime is 25832835103. The reversal of 25832835085 is 58053823852.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11678260356 + 14154574729 = 108066^2 + 118973^2 .

It is a cyclic number.

It is not a de Polignac number, because 25832835085 - 2¹⁹ = 25832310797 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2583283504 + ... + 2583283513.

It is an arithmetic number, because the mean of its divisors is an integer number (7749850527).

Almost surely, 2^25832835085 is an apocalyptic number.

It is an amenable number.

25832835085 is a deficient number, since it is larger than the sum of its proper divisors (5166567023).

25832835085 is an equidigital number, since it uses as much as digits as its factorization.

25832835085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166567022.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 25832835085 in words is "twenty-five billion, eight hundred thirty-two million, eight hundred thirty-five thousand, eighty-five".