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BaseRepresentation
bin11011001100101
3201002202
43121211
5421200
6144245
755412
oct33145
921082
1013925
11a50a
128085
136452
145109
1541d5
hex3665

13925 has 6 divisors (see below), whose sum is σ = 17298. Its totient is φ = 11120.

The previous prime is 13921. The next prime is 13931. The reversal of 13925 is 52931.

It is a Cunningham number, because it is equal to 1182+1.

It can be written as a sum of positive squares in 3 ways, for example, as 1 + 13924 = 1^2 + 118^2 .

It is not a de Polignac number, because 13925 - 22 = 13921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13897 and 13906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13921) 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, 254 + ... + 303.

It is an arithmetic number, because the mean of its divisors is an integer number (2883).

213925 is an apocalyptic number.

It is an amenable number.

13925 is a deficient number, since it is larger than the sum of its proper divisors (3373).

13925 is an equidigital number, since it uses as much as digits as its factorization.

13925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 562 counting only the distinct ones).

The product of its digits is 270, while the sum is 20.

The square root of 13925 is about 118.0042372121. The cubic root of 13925 is about 24.0583073035.

The spelling of 13925 in words is "thirteen thousand, nine hundred twenty-five".

Divisors: 1 5 25 557 2785 13925