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BaseRepresentation
bin100010000010001
3212220101
410100101
51024200
6212401
7101542
oct42021
925811
1017425
1112101
12a101
137c15
1464c9
15526a
hex4411

17425 has 12 divisors (see below), whose sum is σ = 23436. Its totient is φ = 12800.

The previous prime is 17419. The next prime is 17431. The reversal of 17425 is 52471.

17425 is nontrivially palindromic in base 2 and base 4.

It is a Cunningham number, because it is equal to 1322+1.

17425 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (17419) and next prime (17431).

It can be written as a sum of positive squares in 6 ways, for example, as 1296 + 16129 = 36^2 + 127^2 .

It is not a de Polignac number, because 17425 - 23 = 17417 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

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, 405 + ... + 445.

It is an arithmetic number, because the mean of its divisors is an integer number (1953).

217425 is an apocalyptic number.

It is an amenable number.

17425 is a deficient number, since it is larger than the sum of its proper divisors (6011).

17425 is a wasteful number, since it uses less digits than its factorization.

17425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 63 counting only the distinct ones).

The product of its digits is 280, while the sum is 19.

The square root of 17425 is about 132.0037878244. The cubic root of 17425 is about 25.9253281545.

Adding to 17425 its reverse (52471), we get a palindrome (69896).

It can be divided in two parts, 17 and 425, that multiplied together give a square (7225 = 852).

The spelling of 17425 in words is "seventeen thousand, four hundred twenty-five".

Divisors: 1 5 17 25 41 85 205 425 697 1025 3485 17425