68825 has 6 divisors (see below), whose sum is σ = 85374. Its totient is φ = 55040.
The previous prime is 68821. The next prime is 68863. The reversal of 68825 is 52886.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 16384 + 52441 = 128^2 + 229^2 .
It is not a de Polignac number, because 68825 - 22 = 68821 is a prime.
It is a d-powerful number, because it can be written as 62 + 82 + 82 + 216 + 55 .
It is a Duffinian number.
It is a plaindrome in base 11.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 68825.
It is not an unprimeable number, because it can be changed into a prime (68821) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1352 + ... + 1401.
It is an arithmetic number, because the mean of its divisors is an integer number (14229).
268825 is an apocalyptic number.
It is an amenable number.
68825 is a deficient number, since it is larger than the sum of its proper divisors (16549).
68825 is a wasteful number, since it uses less digits than its factorization.
68825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2763 (or 2758 counting only the distinct ones).
The product of its digits is 3840, while the sum is 29.
The square root of 68825 is about 262.3451924469. The cubic root of 68825 is about 40.9809548667.
The spelling of 68825 in words is "sixty-eight thousand, eight hundred twenty-five".
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