254505 has 24 divisors (see below), whose sum is σ = 438912. Its totient is φ = 125856.

The previous prime is 254491. The next prime is 254519. The reversal of 254505 is 505452.

254505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (254491) and next prime (254519).

It is not a de Polignac number, because 254505 - 2⁴ = 254489 is a prime.

It is an Ulam number.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5392 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (18288).

2²⁵⁴⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

254505 is a deficient number, since it is larger than the sum of its proper divisors (184407).

254505 is a wasteful number, since it uses less digits than its factorization.

254505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 254505 is about 504.4848857994. The cubic root of 254505 is about 63.3721983675.

Adding to 254505 its reverse (505452), we get a palindrome (759957).

The spelling of 254505 in words is "two hundred fifty-four thousand, five hundred five".