249052 has 24 divisors (see below), whose sum is σ = 478800. Its totient is φ = 112896.

The previous prime is 249037. The next prime is 249059. The reversal of 249052 is 250942.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249059) 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 7 ways as a sum of consecutive naturals, for example, 2148 + ... + 2260.

It is an arithmetic number, because the mean of its divisors is an integer number (19950).

2²⁴⁹⁰⁵² is an apocalyptic number.

It is an amenable number.

249052 is a deficient number, since it is larger than the sum of its proper divisors (229748).

249052 is a wasteful number, since it uses less digits than its factorization.

249052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 249052 is about 499.0510995880. The cubic root of 249052 is about 62.9163246233.

Adding to 249052 its reverse (250942), we get a palindrome (499994).

The spelling of 249052 in words is "two hundred forty-nine thousand, fifty-two".