249229 has 2 divisors, whose sum is σ = 249230. Its totient is φ = 249228.

The previous prime is 249217. The next prime is 249233. The reversal of 249229 is 922942.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248004 + 1225 = 498^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 249229 - 2¹³ = 241037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 249197 and 249206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249329) 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 as a sum of consecutive naturals, namely, 124614 + 124615.

It is an arithmetic number, because the mean of its divisors is an integer number (124615).

2²⁴⁹²²⁹ is an apocalyptic number.

It is an amenable number.

249229 is a deficient number, since it is larger than the sum of its proper divisors (1).

249229 is an equidigital number, since it uses as much as digits as its factorization.

249229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 249229 is about 499.2284046406. The cubic root of 249229 is about 62.9312258653.

The spelling of 249229 in words is "two hundred forty-nine thousand, two hundred twenty-nine".