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2585025 = 325211489
BaseRepresentation
bin1001110111000111000001
311212022222200
421313013001
51130210100
6131223413
730654342
oct11670701
94768880
102585025
111506193
12a47b69
136c6801
144b40c9
15360e00
hex2771c1

2585025 has 18 divisors (see below), whose sum is σ = 4630470. Its totient is φ = 1378560.

The previous prime is 2584999. The next prime is 2585029. The reversal of 2585025 is 5205852.

2585025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 28224 + 2556801 = 168^2 + 1599^2 .

It is not a de Polignac number, because 2585025 - 214 = 2568641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2585025.

It is not an unprimeable number, because it can be changed into a prime (2585029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5520 + ... + 5969.

22585025 is an apocalyptic number.

2585025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2585025 is a deficient number, since it is larger than the sum of its proper divisors (2045445).

2585025 is a wasteful number, since it uses less digits than its factorization.

2585025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505 (or 11497 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2585025 is about 1607.8012936927. The cubic root of 2585025 is about 137.2423826483.

The spelling of 2585025 in words is "two million, five hundred eighty-five thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 11489 34467 57445 103401 172335 287225 517005 861675 2585025