249273 has 6 divisors (see below), whose sum is σ = 360074. Its totient is φ = 166176.

The previous prime is 249257. The next prime is 249287. The reversal of 249273 is 372942.

It can be written as a sum of positive squares in only one way, i.e., 138384 + 110889 = 372^2 + 333^2 .

It is not a de Polignac number, because 249273 - 2⁴ = 249257 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 4 + 2¹⁷ + 9 + 7⁶ + 3³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13840 + ... + 13857.

2²⁴⁹²⁷³ is an apocalyptic number.

It is an amenable number.

249273 is a deficient number, since it is larger than the sum of its proper divisors (110801).

249273 is a wasteful number, since it uses less digits than its factorization.

249273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27703 (or 27700 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 249273 is about 499.2724707011. The cubic root of 249273 is about 62.9349290338.

The spelling of 249273 in words is "two hundred forty-nine thousand, two hundred seventy-three".