85061250 has 60 divisors (see below), whose sum is σ = 230330958. Its totient is φ = 22680000.

The previous prime is 85061239. The next prime is 85061281. The reversal of 85061250 is 5216058.

It can be written as a sum of positive squares in 5 ways, for example, as 71289 + 84989961 = 267^2 + 9219^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7470 + ... + 15030.

Almost surely, 2^85061250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85061250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115165479).

85061250 is an abundant number, since it is smaller than the sum of its proper divisors (145269708).

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

85061250 is a wasteful number, since it uses less digits than its factorization.

85061250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589 (or 7571 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 85061250 is about 9222.8656067407. The cubic root of 85061250 is about 439.7885519833.

The spelling of 85061250 in words is "eighty-five million, sixty-one thousand, two hundred fifty".