254879 has 2 divisors, whose sum is σ = 254880. Its totient is φ = 254878.
The previous prime is 254873. The next prime is 254887. The reversal of 254879 is 978452.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 254879 - 28 = 254623 is a prime.
It is a d-powerful number, because it can be written as 25 + 57 + 8 + 42 + 76 + 95 .
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 (254873) 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, 127439 + 127440.
It is an arithmetic number, because the mean of its divisors is an integer number (127440).
2254879 is an apocalyptic number.
254879 is a deficient number, since it is larger than the sum of its proper divisors (1).
254879 is an equidigital number, since it uses as much as digits as its factorization.
254879 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 20160, while the sum is 35.
The square root of 254879 is about 504.8554248495. The cubic root of 254879 is about 63.4032253963.
The spelling of 254879 in words is "two hundred fifty-four thousand, eight hundred seventy-nine".
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