254771249 has 2 divisors, whose sum is σ = 254771250. Its totient is φ = 254771248.

The previous prime is 254771227. The next prime is 254771281. The reversal of 254771249 is 942177452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183115024 + 71656225 = 13532^2 + 8465^2 .

It is a cyclic number.

It is not a de Polignac number, because 254771249 - 2²⁰ = 253722673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254771149) 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, 127385624 + 127385625.

It is an arithmetic number, because the mean of its divisors is an integer number (127385625).

Almost surely, 2^254771249 is an apocalyptic number.

It is an amenable number.

254771249 is a deficient number, since it is larger than the sum of its proper divisors (1).

254771249 is an equidigital number, since it uses as much as digits as its factorization.

254771249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 254771249 is about 15961.5553440133. Note that the first 3 decimals coincide. The cubic root of 254771249 is about 633.9428949087.

The spelling of 254771249 in words is "two hundred fifty-four million, seven hundred seventy-one thousand, two hundred forty-nine".