85258 has 8 divisors (see below), whose sum is σ = 130752.
Its totient is φ = 41676.
The previous prime is 85247. The next prime is 85259.
It can be divided in two parts, 85 and 258, that added together give a palindrome (343).
85258 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (85259) by changing a digit.
85258 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360 + ... + 547.
It is an arithmetic number, because the mean of its divisors is an integer number (16344).
285258 is an apocalyptic number.
85258 is a deficient number, since it is larger than the sum of its proper divisors (45494).
85258 is a wasteful number, since it uses less digits than its factorization.
85258 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 956.
The product of its digits is 3200, while the sum is 28.
The square root of 85258 is about 291.9897258466.
The cubic root of 85258 is about 44.0127373592.
The spelling of 85258 in words is "eighty-five thousand, two hundred fifty-eight".