85432250 has 16 divisors (see below), whose sum is σ = 159929640. Its totient is φ = 34172800.

The previous prime is 85432213. The next prime is 85432253. The reversal of 85432250 is 5223458.

It can be written as a sum of positive squares in 4 ways, for example, as 47375689 + 38056561 = 6883^2 + 6169^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85432253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170615 + ... + 171114.

Almost surely, 2^85432250 is an apocalyptic number.

85432250 is a deficient number, since it is larger than the sum of its proper divisors (74497390).

85432250 is a wasteful number, since it uses less digits than its factorization.

85432250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341746 (or 341736 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 85432250 is about 9242.9567780013. The cubic root of 85432250 is about 440.4270131423.

The spelling of 85432250 in words is "eighty-five million, four hundred thirty-two thousand, two hundred fifty".