85384925 has 6 divisors (see below), whose sum is σ = 105877338. Its totient is φ = 68307920.

The previous prime is 85384907. The next prime is 85384927. The reversal of 85384925 is 52948358.

It can be written as a sum of positive squares in 3 ways, for example, as 1240996 + 84143929 = 1114^2 + 9173^2 .

It is not a de Polignac number, because 85384925 - 2⁶ = 85384861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85384927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1707674 + ... + 1707723.

It is an arithmetic number, because the mean of its divisors is an integer number (17646223).

Almost surely, 2^85384925 is an apocalyptic number.

It is an amenable number.

85384925 is a deficient number, since it is larger than the sum of its proper divisors (20492413).

85384925 is a wasteful number, since it uses less digits than its factorization.

85384925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415407 (or 3415402 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 85384925 is about 9240.3963659575. The cubic root of 85384925 is about 440.3456736081.

The spelling of 85384925 in words is "eighty-five million, three hundred eighty-four thousand, nine hundred twenty-five".