254041663 has 2 divisors, whose sum is σ = 254041664. Its totient is φ = 254041662.

The previous prime is 254041657. The next prime is 254041687. The reversal of 254041663 is 366140452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254041663 - 2²⁵ = 220487231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254041603) 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, 127020831 + 127020832.

It is an arithmetic number, because the mean of its divisors is an integer number (127020832).

Almost surely, 2^254041663 is an apocalyptic number.

254041663 is a deficient number, since it is larger than the sum of its proper divisors (1).

254041663 is an equidigital number, since it uses as much as digits as its factorization.

254041663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 254041663 is about 15938.6844814746. The cubic root of 254041663 is about 633.3371776005.

The spelling of 254041663 in words is "two hundred fifty-four million, forty-one thousand, six hundred sixty-three".