254481 has 4 divisors (see below), whose sum is σ = 339312. Its totient is φ = 169652.

The previous prime is 254461. The next prime is 254489. The reversal of 254481 is 184452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254481 - 2⁹ = 253969 is a prime.

It is a super-2 number, since 2×254481² = 129521158722, which contains 22 as substring.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254481.

It is not an unprimeable number, because it can be changed into a prime (254489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42411 + ... + 42416.

It is an arithmetic number, because the mean of its divisors is an integer number (84828).

2²⁵⁴⁴⁸¹ is an apocalyptic number.

It is an amenable number.

254481 is a deficient number, since it is larger than the sum of its proper divisors (84831).

254481 is an equidigital number, since it uses as much as digits as its factorization.

254481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84830.

The product of its digits is 1280, while the sum is 24.

The square root of 254481 is about 504.4610985993. The cubic root of 254481 is about 63.3702062906.

The spelling of 254481 in words is "two hundred fifty-four thousand, four hundred eighty-one".