265249 has 2 divisors, whose sum is σ = 265250. Its totient is φ = 265248.

The previous prime is 265247. The next prime is 265261. The reversal of 265249 is 942562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 46225 = 468^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 265249 - 2¹ = 265247 is a prime.

Together with 265247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (265241) 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 as a sum of consecutive naturals, namely, 132624 + 132625.

It is an arithmetic number, because the mean of its divisors is an integer number (132625).

2²⁶⁵²⁴⁹ is an apocalyptic number.

It is an amenable number.

265249 is a deficient number, since it is larger than the sum of its proper divisors (1).

265249 is an equidigital number, since it uses as much as digits as its factorization.

265249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 265249 is about 515.0233004438. The cubic root of 265249 is about 64.2516944044.

It can be divided in two parts, 2652 and 49, that added together give a triangular number (2701 = T₇₃).

The spelling of 265249 in words is "two hundred sixty-five thousand, two hundred forty-nine".