254609 has 6 divisors (see below), whose sum is σ = 270774. Its totient is φ = 239360.

The previous prime is 254593. The next prime is 254623. The reversal of 254609 is 906452.

254609 is nontrivially palindromic in base 6.

254609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 61009 + 193600 = 247^2 + 440^2 .

It is not a de Polignac number, because 254609 - 2⁴ = 254593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (45129).

2²⁵⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

254609 is a deficient number, since it is larger than the sum of its proper divisors (16165).

254609 is an equidigital number, since it uses as much as digits as its factorization.

254609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 254609 is about 504.5879507083. The cubic root of 254609 is about 63.3808292537.

The spelling of 254609 in words is "two hundred fifty-four thousand, six hundred nine".