85236525 has 36 divisors (see below), whose sum is σ = 166551840. Its totient is φ = 41325600.

The previous prime is 85236467. The next prime is 85236553. The reversal of 85236525 is 52563258.

It is a happy number.

It is not a de Polignac number, because 85236525 - 2⁶ = 85236461 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 85236525.

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 35 ways as a sum of consecutive naturals, for example, 14745 + ... + 19694.

It is an arithmetic number, because the mean of its divisors is an integer number (4626440).

Almost surely, 2^85236525 is an apocalyptic number.

It is an amenable number.

85236525 is a deficient number, since it is larger than the sum of its proper divisors (81315315).

85236525 is a wasteful number, since it uses less digits than its factorization.

85236525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34466 (or 34458 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 85236525 is about 9232.3629153105. The cubic root of 85236525 is about 440.0904170247.

The spelling of 85236525 in words is "eighty-five million, two hundred thirty-six thousand, five hundred twenty-five".