254455 has 4 divisors (see below), whose sum is σ = 305352. Its totient is φ = 203560.

The previous prime is 254447. The next prime is 254461. The reversal of 254455 is 554452.

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

It is not a de Polignac number, because 254455 - 2³ = 254447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 25441 + ... + 25450.

It is an arithmetic number, because the mean of its divisors is an integer number (76338).

2²⁵⁴⁴⁵⁵ is an apocalyptic number.

254455 is a deficient number, since it is larger than the sum of its proper divisors (50897).

254455 is an equidigital number, since it uses as much as digits as its factorization.

254455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50896.

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

The square root of 254455 is about 504.4353278667. The cubic root of 254455 is about 63.3680480660.

The spelling of 254455 in words is "two hundred fifty-four thousand, four hundred fifty-five".