254729 has 2 divisors, whose sum is σ = 254730. Its totient is φ = 254728.

The previous prime is 254713. The next prime is 254731. The reversal of 254729 is 927452.

254729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139129 + 115600 = 373^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 254729 - 2⁴ = 254713 is a prime.

Together with 254731, it forms a pair of twin primes.

It is a Chen prime.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254729.

It is not a weakly prime, because it can be changed into another prime (254329) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127364 + 127365.

It is an arithmetic number, because the mean of its divisors is an integer number (127365).

2²⁵⁴⁷²⁹ is an apocalyptic number.

It is an amenable number.

254729 is a deficient number, since it is larger than the sum of its proper divisors (1).

254729 is an equidigital number, since it uses as much as digits as its factorization.

254729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 254729 is about 504.7068456045. The cubic root of 254729 is about 63.3907850486.

The spelling of 254729 in words is "two hundred fifty-four thousand, seven hundred twenty-nine".