825585 has 16 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 420992.
The previous prime is 825577. The next prime is 825593. The reversal of 825585 is 585528.
825585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (825577) and next prime (825593).
It is not a de Polignac number, because 825585 - 23 = 825577 is a prime.
It is a Curzon number.
825585 is a lucky number.
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 825585.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852 + ... + 1541.
It is an arithmetic number, because the mean of its divisors is an integer number (86184).
2825585 is an apocalyptic number.
It is an amenable number.
825585 is a deficient number, since it is larger than the sum of its proper divisors (553359).
825585 is a wasteful number, since it uses less digits than its factorization.
825585 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2424.
The product of its digits is 16000, while the sum is 33.
The square root of 825585 is about 908.6170810633. The cubic root of 825585 is about 93.8110358097.
The spelling of 825585 in words is "eight hundred twenty-five thousand, five hundred eighty-five".
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