68253 has 4 divisors (see below), whose sum is σ = 91008. Its totient is φ = 45500.
The previous prime is 68239. The next prime is 68261. The reversal of 68253 is 35286.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 68253 - 29 = 67741 is a prime.
It is a D-number.
68253 is a lucky number.
It is a plaindrome in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11373 + ... + 11378.
It is an arithmetic number, because the mean of its divisors is an integer number (22752).
268253 is an apocalyptic number.
It is an amenable number.
68253 is a deficient number, since it is larger than the sum of its proper divisors (22755).
68253 is a wasteful number, since it uses less digits than its factorization.
68253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22754.
The product of its digits is 1440, while the sum is 24.
The square root of 68253 is about 261.2527511817. The cubic root of 68253 is about 40.8671088957.
The spelling of 68253 in words is "sixty-eight thousand, two hundred fifty-three".
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