85085125 has 8 divisors (see below), whose sum is σ = 106186392. Its totient is φ = 68068000.

The previous prime is 85085123. The next prime is 85085129. The reversal of 85085125 is 52158058.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 408321 + 84676804 = 639^2 + 9202^2 .

It is not a de Polignac number, because 85085125 - 2¹ = 85085123 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85085123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340216 + ... + 340465.

It is an arithmetic number, because the mean of its divisors is an integer number (13273299).

Almost surely, 2^85085125 is an apocalyptic number.

It is an amenable number.

85085125 is a deficient number, since it is larger than the sum of its proper divisors (21101267).

85085125 is an equidigital number, since it uses as much as digits as its factorization.

85085125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680696 (or 680686 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 85085125 is about 9224.1598533417. The cubic root of 85085125 is about 439.8296947655.

The spelling of 85085125 in words is "eighty-five million, eighty-five thousand, one hundred twenty-five".