8125253635 has 4 divisors (see below), whose sum is σ = 9750304368. Its totient is φ = 6500202904.

The previous prime is 8125253629. The next prime is 8125253671. The reversal of 8125253635 is 5363525218.

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 8125253635 - 2³ = 8125253627 is a prime.

It is a Smith number, since the sum of its digits (40) 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 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, 812525359 + ... + 812525368.

It is an arithmetic number, because the mean of its divisors is an integer number (2437576092).

Almost surely, 2^8125253635 is an apocalyptic number.

8125253635 is a deficient number, since it is larger than the sum of its proper divisors (1625050733).

8125253635 is a wasteful number, since it uses less digits than its factorization.

8125253635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625050732.

The product of its digits is 216000, while the sum is 40.

The square root of 8125253635 is about 90140.1887894628. The cubic root of 8125253635 is about 2010.3837979851.

The spelling of 8125253635 in words is "eight billion, one hundred twenty-five million, two hundred fifty-three thousand, six hundred thirty-five".