254399071 has 2 divisors, whose sum is σ = 254399072. Its totient is φ = 254399070.

The previous prime is 254399017. The next prime is 254399081. The reversal of 254399071 is 170993452.

Together with previous prime (254399017) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254399071 - 2¹⁷ = 254267999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254399011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127199535 + 127199536.

It is an arithmetic number, because the mean of its divisors is an integer number (127199536).

Almost surely, 2^254399071 is an apocalyptic number.

254399071 is a deficient number, since it is larger than the sum of its proper divisors (1).

254399071 is an equidigital number, since it uses as much as digits as its factorization.

254399071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 254399071 is about 15949.8925074748. The cubic root of 254399071 is about 633.6340497749.

The spelling of 254399071 in words is "two hundred fifty-four million, three hundred ninety-nine thousand, seventy-one".