254749423 has 2 divisors, whose sum is σ = 254749424. Its totient is φ = 254749422.

The previous prime is 254749393. The next prime is 254749457. The reversal of 254749423 is 324947452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254749423 - 2¹³ = 254741231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254749463) 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, 127374711 + 127374712.

It is an arithmetic number, because the mean of its divisors is an integer number (127374712).

Almost surely, 2^254749423 is an apocalyptic number.

254749423 is a deficient number, since it is larger than the sum of its proper divisors (1).

254749423 is an equidigital number, since it uses as much as digits as its factorization.

254749423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The square root of 254749423 is about 15960.8716240687. The cubic root of 254749423 is about 633.9247913056.

The spelling of 254749423 in words is "two hundred fifty-four million, seven hundred forty-nine thousand, four hundred twenty-three".