85028250 has 32 divisors (see below), whose sum is σ = 212232384. Its totient is φ = 22674000.

The previous prime is 85028239. The next prime is 85028291. The reversal of 85028250 is 5282058.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55936 + ... + 57435.

It is an arithmetic number, because the mean of its divisors is an integer number (6632262).

Almost surely, 2^85028250 is an apocalyptic number.

85028250 is an abundant number, since it is smaller than the sum of its proper divisors (127204134).

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

85028250 is a wasteful number, since it uses less digits than its factorization.

85028250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113391 (or 113381 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 85028250 is about 9221.0764013753. The cubic root of 85028250 is about 439.7316717963.

The spelling of 85028250 in words is "eighty-five million, twenty-eight thousand, two hundred fifty".