250003 has 4 divisors (see below), whose sum is σ = 269248. Its totient is φ = 230760.

The previous prime is 249989. The next prime is 250007. The reversal of 250003 is 300052.

250003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 250003 - 2⁵ = 249971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250007) 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, 9603 + ... + 9628.

It is an arithmetic number, because the mean of its divisors is an integer number (67312).

250003 is a Friedman number, since it can be written as 500^(2+0)+3, using all its digits and the basic arithmetic operations.

2²⁵⁰⁰⁰³ is an apocalyptic number.

250003 is a deficient number, since it is larger than the sum of its proper divisors (19245).

250003 is a wasteful number, since it uses less digits than its factorization.

250003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19244.

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 250003 is about 500.0029999910. The cubic root of 250003 is about 62.9963044779.

Adding to 250003 its reverse (300052), we get a palindrome (550055).

It can be divided in two parts, 2 and 50003, that added together give a palindrome (50005).

The spelling of 250003 in words is "two hundred fifty thousand, three".