254459 has 4 divisors (see below), whose sum is σ = 257760. Its totient is φ = 251160.

The previous prime is 254447. The next prime is 254461. The reversal of 254459 is 954452.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254459 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254459.

It is not an unprimeable number, because it can be changed into a prime (254489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (64440).

2²⁵⁴⁴⁵⁹ is an apocalyptic number.

254459 is a deficient number, since it is larger than the sum of its proper divisors (3301).

254459 is an equidigital number, since it uses as much as digits as its factorization.

254459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300.

The product of its digits is 7200, while the sum is 29.

The square root of 254459 is about 504.4392926805. The cubic root of 254459 is about 63.3683801101.

The spelling of 254459 in words is "two hundred fifty-four thousand, four hundred fifty-nine".