254400193 has 2 divisors, whose sum is σ = 254400194. Its totient is φ = 254400192.

The previous prime is 254400191. The next prime is 254400227. The reversal of 254400193 is 391004452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130233744 + 124166449 = 11412^2 + 11143^2 .

It is a cyclic number.

It is not a de Polignac number, because 254400193 - 2¹ = 254400191 is a prime.

Together with 254400191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (254400191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127200096 + 127200097.

It is an arithmetic number, because the mean of its divisors is an integer number (127200097).

Almost surely, 2^254400193 is an apocalyptic number.

It is an amenable number.

254400193 is a deficient number, since it is larger than the sum of its proper divisors (1).

254400193 is an equidigital number, since it uses as much as digits as its factorization.

254400193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 254400193 is about 15949.9276800868. The cubic root of 254400193 is about 633.6349812987.

The spelling of 254400193 in words is "two hundred fifty-four million, four hundred thousand, one hundred ninety-three".