254489 has 2 divisors, whose sum is σ = 254490. Its totient is φ = 254488.

The previous prime is 254461. The next prime is 254491. The reversal of 254489 is 984452.

254489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 4489 = 500^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 254489 - 2¹⁶ = 188953 is a prime.

It is a super-2 number, since 2×254489² = 129529302242, which contains 22 as substring.

Together with 254491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127244 + 127245.

It is an arithmetic number, because the mean of its divisors is an integer number (127245).

2²⁵⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

254489 is a deficient number, since it is larger than the sum of its proper divisors (1).

254489 is an equidigital number, since it uses as much as digits as its factorization.

254489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 254489 is about 504.4690277906. The cubic root of 254489 is about 63.3708703302.

It can be divided in two parts, 25 and 4489, that multiplied together give a square (112225 = 335²).

The spelling of 254489 in words is "two hundred fifty-four thousand, four hundred eighty-nine".