254783 has 2 divisors, whose sum is σ = 254784. Its totient is φ = 254782.

The previous prime is 254777. The next prime is 254791. The reversal of 254783 is 387452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254783 - 2¹² = 250687 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127391 + 127392.

It is an arithmetic number, because the mean of its divisors is an integer number (127392).

2²⁵⁴⁷⁸³ is an apocalyptic number.

254783 is a deficient number, since it is larger than the sum of its proper divisors (1).

254783 is an equidigital number, since it uses as much as digits as its factorization.

254783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 254783 is about 504.7603391710. The cubic root of 254783 is about 63.3952641362.

The spelling of 254783 in words is "two hundred fifty-four thousand, seven hundred eighty-three".