254831 has 2 divisors, whose sum is σ = 254832. Its totient is φ = 254830.

The previous prime is 254827. The next prime is 254833. The reversal of 254831 is 138452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254831 - 2² = 254827 is a prime.

It is a super-2 number, since 2×254831² = 129877677122, which contains 22 as substring.

Together with 254833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 254797 and 254806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254833) 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 as a sum of consecutive naturals, namely, 127415 + 127416.

It is an arithmetic number, because the mean of its divisors is an integer number (127416).

2²⁵⁴⁸³¹ is an apocalyptic number.

254831 is a deficient number, since it is larger than the sum of its proper divisors (1).

254831 is an equidigital number, since it uses as much as digits as its factorization.

254831 is an odious number, because the sum of its binary digits is odd.

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

The square root of 254831 is about 504.8078842490. The cubic root of 254831 is about 63.3992450162.

The spelling of 254831 in words is "two hundred fifty-four thousand, eight hundred thirty-one".