254254393 has 2 divisors, whose sum is σ = 254254394. Its totient is φ = 254254392.

The previous prime is 254254391. The next prime is 254254411. The reversal of 254254393 is 393452452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233570089 + 20684304 = 15283^2 + 4548^2 .

It is a cyclic number.

It is not a de Polignac number, because 254254393 - 2¹ = 254254391 is a prime.

Together with 254254391, it forms a pair of twin primes.

It is equal to p_13899241 and since 254254393 and 13899241 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (254254391) 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, 127127196 + 127127197.

It is an arithmetic number, because the mean of its divisors is an integer number (127127197).

Almost surely, 2^254254393 is an apocalyptic number.

It is an amenable number.

254254393 is a deficient number, since it is larger than the sum of its proper divisors (1).

254254393 is an equidigital number, since it uses as much as digits as its factorization.

254254393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 254254393 is about 15945.3564713994. The cubic root of 254254393 is about 633.5139100663.

The spelling of 254254393 in words is "two hundred fifty-four million, two hundred fifty-four thousand, three hundred ninety-three".