253278 has 12 divisors (see below), whose sum is σ = 548808. Its totient is φ = 84420.
The previous prime is 253273. The next prime is 253307. The reversal of 253278 is 872352.
253278 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 253278.
It is not an unprimeable number, because it can be changed into a prime (253273) 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 in 5 ways as a sum of consecutive naturals, for example, 7018 + ... + 7053.
It is an arithmetic number, because the mean of its divisors is an integer number (45734).
2253278 is an apocalyptic number.
253278 is an abundant number, since it is smaller than the sum of its proper divisors (295530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253278 is a wasteful number, since it uses less digits than its factorization.
253278 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14079 (or 14076 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 253278 is about 503.2673245900. The cubic root of 253278 is about 63.2701925353.
The spelling of 253278 in words is "two hundred fifty-three thousand, two hundred seventy-eight".
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