250189 has 4 divisors (see below), whose sum is σ = 264924. Its totient is φ = 235456.

The previous prime is 250169. The next prime is 250199. The reversal of 250189 is 981052.

250189 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 133225 + 116964 = 365^2 + 342^2 .

It is a cyclic number.

It is not a de Polignac number, because 250189 - 2⁹ = 249677 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7342 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (66231).

2²⁵⁰¹⁸⁹ is an apocalyptic number.

It is an amenable number.

250189 is a deficient number, since it is larger than the sum of its proper divisors (14735).

250189 is a wasteful number, since it uses less digits than its factorization.

250189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14734.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 250189 is about 500.1889642925. The cubic root of 250189 is about 63.0119235012.

The spelling of 250189 in words is "two hundred fifty thousand, one hundred eighty-nine".