254905 has 8 divisors (see below), whose sum is σ = 349632. Its totient is φ = 174768.

The previous prime is 254899. The next prime is 254911. The reversal of 254905 is 509452.

It is an interprime number because it is at equal distance from previous prime (254899) and next prime (254911).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254905 - 2⁵ = 254873 is a prime.

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

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 254905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3607 + ... + 3676.

It is an arithmetic number, because the mean of its divisors is an integer number (43704).

2²⁵⁴⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

254905 is a deficient number, since it is larger than the sum of its proper divisors (94727).

254905 is an equidigital number, since it uses as much as digits as its factorization.

254905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 254905 is about 504.8811741390. The cubic root of 254905 is about 63.4053812268.

The spelling of 254905 in words is "two hundred fifty-four thousand, nine hundred five".