254545 has 4 divisors (see below), whose sum is σ = 305460. Its totient is φ = 203632.

The previous prime is 254537. The next prime is 254557. The reversal of 254545 is 545452.

254545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 80656 + 173889 = 284^2 + 417^2 .

It is a cyclic number.

It is not a de Polignac number, because 254545 - 2³ = 254537 is a prime.

It is an alternating number because its digits alternate between even and odd.

254545 is a modest number, since divided by 4545 gives 25 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25450 + ... + 25459.

It is an arithmetic number, because the mean of its divisors is an integer number (76365).

2²⁵⁴⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

254545 is a deficient number, since it is larger than the sum of its proper divisors (50915).

254545 is an equidigital number, since it uses as much as digits as its factorization.

254545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50914.

The product of its digits is 4000, while the sum is 25.

The square root of 254545 is about 504.5245286406. The cubic root of 254545 is about 63.3755182173.

Adding to 254545 its reverse (545452), we get a palindrome (799997).

The spelling of 254545 in words is "two hundred fifty-four thousand, five hundred forty-five".