254771081 has 2 divisors, whose sum is σ = 254771082. Its totient is φ = 254771080.

The previous prime is 254771029. The next prime is 254771093. The reversal of 254771081 is 180177452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253319056 + 1452025 = 15916^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 254771081 - 2¹⁸ = 254508937 is a prime.

It is a super-2 number, since 2×254771081² = 129816607427817122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254771021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127385540 + 127385541.

It is an arithmetic number, because the mean of its divisors is an integer number (127385541).

Almost surely, 2^254771081 is an apocalyptic number.

It is an amenable number.

254771081 is a deficient number, since it is larger than the sum of its proper divisors (1).

254771081 is an equidigital number, since it uses as much as digits as its factorization.

254771081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 254771081 is about 15961.5500813674. The cubic root of 254771081 is about 633.9427555649.

The spelling of 254771081 in words is "two hundred fifty-four million, seven hundred seventy-one thousand, eighty-one".