91725 has 12 divisors (see below), whose sum is σ = 151776. Its totient is φ = 48880.
The previous prime is 91711. The next prime is 91733. The reversal of 91725 is 52719.
It is not a de Polignac number, because 91725 - 212 = 87629 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 91695 and 91704.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537 + ... + 686.
It is an arithmetic number, because the mean of its divisors is an integer number (12648).
291725 is an apocalyptic number.
It is an amenable number.
91725 is a deficient number, since it is larger than the sum of its proper divisors (60051).
91725 is a wasteful number, since it uses less digits than its factorization.
91725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1236 (or 1231 counting only the distinct ones).
The product of its digits is 630, while the sum is 24.
The square root of 91725 is about 302.8613544182. The cubic root of 91725 is about 45.0985494524.
The spelling of 91725 in words is "ninety-one thousand, seven hundred twenty-five".
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