249026 has 4 divisors (see below), whose sum is σ = 373542. Its totient is φ = 124512.

The previous prime is 249017. The next prime is 249037. The reversal of 249026 is 620942.

249026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 249001 + 25 = 499^2 + 5^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 248992 and 249010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62255 + ... + 62258.

2²⁴⁹⁰²⁶ is an apocalyptic number.

249026 is a deficient number, since it is larger than the sum of its proper divisors (124516).

249026 is a wasteful number, since it uses less digits than its factorization.

249026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124515.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 249026 is about 499.0250494715. The cubic root of 249026 is about 62.9141351456.

Adding to 249026 its reverse (620942), we get a palindrome (869968).

The spelling of 249026 in words is "two hundred forty-nine thousand, twenty-six".