85425852 has 24 divisors (see below), whose sum is σ = 199858176. Its totient is φ = 28399408.

The previous prime is 85425829. The next prime is 85425883. The reversal of 85425852 is 25852458.

It is a self number, because there is not a number n which added to its sum of digits gives 85425852.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4698 + ... + 13889.

It is an arithmetic number, because the mean of its divisors is an integer number (8327424).

Almost surely, 2^85425852 is an apocalyptic number.

It is an amenable number.

85425852 is an abundant number, since it is smaller than the sum of its proper divisors (114432324).

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

85425852 is a wasteful number, since it uses less digits than its factorization.

85425852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18977 (or 18975 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The square root of 85425852 is about 9242.6106701516. The cubic root of 85425852 is about 440.4160183779.

The spelling of 85425852 in words is "eighty-five million, four hundred twenty-five thousand, eight hundred fifty-two".