86525238 has 16 divisors (see below), whose sum is σ = 174373056. Its totient is φ = 28621320.

The previous prime is 86525233. The next prime is 86525273. The reversal of 86525238 is 83252568.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86525196 and 86525205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86525233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54256 + ... + 55827.

It is an arithmetic number, because the mean of its divisors is an integer number (10898316).

Almost surely, 2^86525238 is an apocalyptic number.

86525238 is an abundant number, since it is smaller than the sum of its proper divisors (87847818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86525238 is a wasteful number, since it uses less digits than its factorization.

86525238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110219.

The product of its digits is 115200, while the sum is 39.

The square root of 86525238 is about 9301.8943232011. The cubic root of 86525238 is about 442.2972789064.

The spelling of 86525238 in words is "eighty-six million, five hundred twenty-five thousand, two hundred thirty-eight".