262249 has 4 divisors (see below), whose sum is σ = 282436. Its totient is φ = 242064.

The previous prime is 262237. The next prime is 262253. The reversal of 262249 is 942262.

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

It can be written as a sum of positive squares in 2 ways, for example, as 176400 + 85849 = 420^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 262249 - 2⁵ = 262217 is a prime.

It is a d-powerful number, because it can be written as 2 + 6 + 2¹⁷ + 2¹⁷ + 4² + 9² .

It is a Duffinian number.

262249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (262049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10074 + ... + 10099.

It is an arithmetic number, because the mean of its divisors is an integer number (70609).

2²⁶²²⁴⁹ is an apocalyptic number.

It is an amenable number.

262249 is a deficient number, since it is larger than the sum of its proper divisors (20187).

262249 is a wasteful number, since it uses less digits than its factorization.

262249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20186.

The product of its digits is 1728, while the sum is 25.

The square root of 262249 is about 512.1025287967. The cubic root of 262249 is about 64.0085437813.

The spelling of 262249 in words is "two hundred sixty-two thousand, two hundred forty-nine".