249003 has 12 divisors (see below), whose sum is σ = 365560. Its totient is φ = 163296.

The previous prime is 248987. The next prime is 249017. The reversal of 249003 is 300942.

It is not a de Polignac number, because 249003 - 2⁴ = 248987 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468 + ... + 846.

2²⁴⁹⁰⁰³ is an apocalyptic number.

249003 is a deficient number, since it is larger than the sum of its proper divisors (116557).

249003 is a wasteful number, since it uses less digits than its factorization.

249003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 249003 is about 499.0020040040. The cubic root of 249003 is about 62.9121981730.

Adding to 249003 its reverse (300942), we get a palindrome (549945).

The spelling of 249003 in words is "two hundred forty-nine thousand, three".