83525375653 has 4 divisors (see below), whose sum is σ = 83574713068. Its totient is φ = 83476038240.

The previous prime is 83525375629. The next prime is 83525375693. The reversal of 83525375653 is 35657352538.

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 31010153409 + 52515222244 = 176097^2 + 229162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83525375653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83525375653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83525375623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24666168 + ... + 24669553.

It is an arithmetic number, because the mean of its divisors is an integer number (20893678267).

Almost surely, 2^83525375653 is an apocalyptic number.

It is an amenable number.

83525375653 is a deficient number, since it is larger than the sum of its proper divisors (49337415).

83525375653 is a wasteful number, since it uses less digits than its factorization.

83525375653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49337414.

The product of its digits is 11340000, while the sum is 52.

The spelling of 83525375653 in words is "eighty-three billion, five hundred twenty-five million, three hundred seventy-five thousand, six hundred fifty-three".