254064091 has 2 divisors, whose sum is σ = 254064092. Its totient is φ = 254064090.

The previous prime is 254064077. The next prime is 254064149. The reversal of 254064091 is 190460452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254064091 - 2⁵ = 254064059 is a prime.

It is not a weakly prime, because it can be changed into another prime (254064691) 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, 127032045 + 127032046.

It is an arithmetic number, because the mean of its divisors is an integer number (127032046).

Almost surely, 2^254064091 is an apocalyptic number.

254064091 is a deficient number, since it is larger than the sum of its proper divisors (1).

254064091 is an equidigital number, since it uses as much as digits as its factorization.

254064091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 254064091 is about 15939.3880371864. The cubic root of 254064091 is about 633.3558150530.

The spelling of 254064091 in words is "two hundred fifty-four million, sixty-four thousand, ninety-one".