254431 has 8 divisors (see below), whose sum is σ = 267344. Its totient is φ = 241920.

The previous prime is 254413. The next prime is 254437. The reversal of 254431 is 134452.

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 254431 - 2⁹ = 253919 is a prime.

It is a super-2 number, since 2×254431² = 129470267522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254399 and 254408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2575 + ... + 2671.

It is an arithmetic number, because the mean of its divisors is an integer number (33418).

2²⁵⁴⁴³¹ is an apocalyptic number.

254431 is a deficient number, since it is larger than the sum of its proper divisors (12913).

254431 is an equidigital number, since it uses as much as digits as its factorization.

254431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201.

The product of its digits is 480, while the sum is 19.

The square root of 254431 is about 504.4115383296. The cubic root of 254431 is about 63.3660557282.

Adding to 254431 its reverse (134452), we get a palindrome (388883).

The spelling of 254431 in words is "two hundred fifty-four thousand, four hundred thirty-one".