85089250 has 32 divisors (see below), whose sum is σ = 168665328. Its totient is φ = 32032000.

The previous prime is 85089247. The next prime is 85089271. The reversal of 85089250 is 5298058.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 136161 + 84953089 = 369^2 + 9217^2 .

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, 5761 + ... + 14260.

Almost surely, 2^85089250 is an apocalyptic number.

85089250 is a deficient number, since it is larger than the sum of its proper divisors (83576078).

85089250 is a wasteful number, since it uses less digits than its factorization.

85089250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20055 (or 20045 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 85089250 is about 9224.3834482311. The cubic root of 85089250 is about 439.8368024246.

It can be divided in two parts, 850 and 89250, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 85089250 in words is "eighty-five million, eighty-nine thousand, two hundred fifty".