825536611 has 4 divisors (see below), whose sum is σ = 830480112. Its totient is φ = 820593112.

The previous prime is 825536531. The next prime is 825536617. The reversal of 825536611 is 116635528.

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 825536611 - 2²⁷ = 691318883 is a prime.

It is a super-2 number, since 2×825536611² = 1363021392202730642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825536617) by changing a digit.

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, 2471500 + ... + 2471833.

It is an arithmetic number, because the mean of its divisors is an integer number (207620028).

Almost surely, 2^825536611 is an apocalyptic number.

825536611 is a deficient number, since it is larger than the sum of its proper divisors (4943501).

825536611 is a wasteful number, since it uses less digits than its factorization.

825536611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943500.

The product of its digits is 43200, while the sum is 37.

The square root of 825536611 is about 28732.1529127213. The cubic root of 825536611 is about 938.0920296349.

The spelling of 825536611 in words is "eight hundred twenty-five million, five hundred thirty-six thousand, six hundred eleven".