250185 has 16 divisors (see below), whose sum is σ = 431424. Its totient is φ = 123072.

The previous prime is 250169. The next prime is 250199. The reversal of 250185 is 581052.

250185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 250185 - 2⁴ = 250169 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

250185 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (26964).

2²⁵⁰¹⁸⁵ is an apocalyptic number.

It is an amenable number.

250185 is a deficient number, since it is larger than the sum of its proper divisors (181239).

250185 is a wasteful number, since it uses less digits than its factorization.

250185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 250185 is about 500.1849657877. The cubic root of 250185 is about 63.0115876896.

It can be divided in two parts, 250 and 185, that added together give a triangular number (435 = T₂₉).

The spelling of 250185 in words is "two hundred fifty thousand, one hundred eighty-five".