249035 has 4 divisors (see below), whose sum is σ = 298848. Its totient is φ = 199224.

The previous prime is 249017. The next prime is 249037. The reversal of 249035 is 530942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 530942 = 2 ⋅265471.

It is a cyclic number.

It is not a de Polignac number, because 249035 - 2⁶ = 248971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 249035.

It is not an unprimeable number, because it can be changed into a prime (249037) 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 3 ways as a sum of consecutive naturals, for example, 24899 + ... + 24908.

It is an arithmetic number, because the mean of its divisors is an integer number (74712).

2²⁴⁹⁰³⁵ is an apocalyptic number.

249035 is a deficient number, since it is larger than the sum of its proper divisors (49813).

249035 is an equidigital number, since it uses as much as digits as its factorization.

249035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49812.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 249035 is about 499.0340669734. The cubic root of 249035 is about 62.9148930590.

Adding to 249035 its reverse (530942), we get a palindrome (779977).

The spelling of 249035 in words is "two hundred forty-nine thousand, thirty-five".