254947 has 18 divisors (see below), whose sum is σ = 333564. Its totient is φ = 194040.
The previous prime is 254941. The next prime is 254959. The reversal of 254947 is 749452.
254947 is nontrivially palindromic in base 16.
It is not a de Polignac number, because 254947 - 211 = 252899 is a prime.
It is an alternating number because its digits alternate between even and odd.
254947 is an undulating number in base 16.
254947 is a lucky number.
It is a zygodrome in base 2.
It is not an unprimeable number, because it can be changed into a prime (254941) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5908 + ... + 5950.
2254947 is an apocalyptic number.
254947 is a deficient number, since it is larger than the sum of its proper divisors (78617).
254947 is a wasteful number, since it uses less digits than its factorization.
254947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79 (or 61 counting only the distinct ones).
The product of its digits is 10080, while the sum is 31.
The square root of 254947 is about 504.9227663713. The cubic root of 254947 is about 63.4088634127.
The spelling of 254947 in words is "two hundred fifty-four thousand, nine hundred forty-seven".
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