254143049 has 2 divisors, whose sum is σ = 254143050. Its totient is φ = 254143048.

The previous prime is 254143027. The next prime is 254143091. The reversal of 254143049 is 940341452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159567424 + 94575625 = 12632^2 + 9725^2 .

It is a cyclic number.

It is not a de Polignac number, because 254143049 - 2¹² = 254138953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254143249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127071524 + 127071525.

It is an arithmetic number, because the mean of its divisors is an integer number (127071525).

Almost surely, 2^254143049 is an apocalyptic number.

It is an amenable number.

254143049 is a deficient number, since it is larger than the sum of its proper divisors (1).

254143049 is an equidigital number, since it uses as much as digits as its factorization.

254143049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 254143049 is about 15941.8646650886. The cubic root of 254143049 is about 633.4214196656.

The spelling of 254143049 in words is "two hundred fifty-four million, one hundred forty-three thousand, forty-nine".