254381 has 4 divisors (see below), whose sum is σ = 256512. Its totient is φ = 252252.

The previous prime is 254377. The next prime is 254383. The reversal of 254381 is 183452.

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 254381 - 2² = 254377 is a prime.

It is a super-2 number, since 2×254381² = 129419386322, which contains 22 as substring.

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

It is a Duffinian number.

254381 is a modest number, since divided by 381 gives 254 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875 + ... + 1128.

It is an arithmetic number, because the mean of its divisors is an integer number (64128).

2²⁵⁴³⁸¹ is an apocalyptic number.

It is an amenable number.

254381 is a deficient number, since it is larger than the sum of its proper divisors (2131).

254381 is a wasteful number, since it uses less digits than its factorization.

254381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its digits is 960, while the sum is 23.

The square root of 254381 is about 504.3619731899. The cubic root of 254381 is about 63.3619046219.

The spelling of 254381 in words is "two hundred fifty-four thousand, three hundred eighty-one".