254663 has 2 divisors, whose sum is σ = 254664. Its totient is φ = 254662.

The previous prime is 254659. The next prime is 254699. The reversal of 254663 is 366452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254663 - 2² = 254659 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254663.

It is not a weakly prime, because it can be changed into another prime (254623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127331 + 127332.

It is an arithmetic number, because the mean of its divisors is an integer number (127332).

2²⁵⁴⁶⁶³ is an apocalyptic number.

254663 is a deficient number, since it is larger than the sum of its proper divisors (1).

254663 is an equidigital number, since it uses as much as digits as its factorization.

254663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 254663 is about 504.6414568780. The cubic root of 254663 is about 63.3853097484.

The spelling of 254663 in words is "two hundred fifty-four thousand, six hundred sixty-three".