85917250 has 32 divisors (see below), whose sum is σ = 161386992. Its totient is φ = 34249600.

The previous prime is 85917239. The next prime is 85917257. The reversal of 85917250 is 5271958.

It can be written as a sum of positive squares in 8 ways, for example, as 11215801 + 74701449 = 3349^2 + 8643^2 .

It is not an unprimeable number, because it can be changed into a prime (85917257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138942 + ... + 139558.

Almost surely, 2^85917250 is an apocalyptic number.

85917250 is a deficient number, since it is larger than the sum of its proper divisors (75469742).

85917250 is a wasteful number, since it uses less digits than its factorization.

85917250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 85917250 is about 9269.1558407441. The cubic root of 85917250 is about 441.2588775911.

It can be divided in two parts, 85 and 917250, that added together give a triangular number (917335 = T₁₃₅₄).

The spelling of 85917250 in words is "eighty-five million, nine hundred seventeen thousand, two hundred fifty".