86725 has 6 divisors (see below), whose sum is σ = 107570. Its totient is φ = 69360.
The previous prime is 86719. The next prime is 86729. The reversal of 86725 is 52768.
It can be written as a sum of positive squares in 3 ways, for example, as 289 + 86436 = 17^2 + 294^2 .
It is not a de Polignac number, because 86725 - 25 = 86693 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 86693 and 86702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86729) 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, 1710 + ... + 1759.
286725 is an apocalyptic number.
It is an amenable number.
86725 is a deficient number, since it is larger than the sum of its proper divisors (20845).
86725 is a wasteful number, since it uses less digits than its factorization.
86725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3479 (or 3474 counting only the distinct ones).
The product of its digits is 3360, while the sum is 28.
The square root of 86725 is about 294.4910864525. The cubic root of 86725 is about 44.2637396554.
The spelling of 86725 in words is "eighty-six thousand, seven hundred twenty-five".
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