254068261 has 2 divisors, whose sum is σ = 254068262. Its totient is φ = 254068260.

The previous prime is 254068259. The next prime is 254068279. The reversal of 254068261 is 162860452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182412036 + 71656225 = 13506^2 + 8465^2 .

It is a cyclic number.

It is not a de Polignac number, because 254068261 - 2¹ = 254068259 is a prime.

Together with 254068259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254068291) 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, 127034130 + 127034131.

It is an arithmetic number, because the mean of its divisors is an integer number (127034131).

Almost surely, 2^254068261 is an apocalyptic number.

It is an amenable number.

254068261 is a deficient number, since it is larger than the sum of its proper divisors (1).

254068261 is an equidigital number, since it uses as much as digits as its factorization.

254068261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 254068261 is about 15939.5188446829. The cubic root of 254068261 is about 633.3592801620.

The spelling of 254068261 in words is "two hundred fifty-four million, sixty-eight thousand, two hundred sixty-one".