Is 25 a deficient number and what is its deficiency?

Is 25 a deficient number?

Here we will explain and calculate if 25 is a deficient number and its deficiency if applicable.

25 is a deficient number if the sum of its proper divisors is less than 25.

The sum of its proper divisors is calculated as follows: 1 + 5 = 6.

6 is less than 25. Therefore, 25 is a deficient number.

The deficiency of 25 is 25 minus the sum of its proper divisors. Thus, the deficiency of 25 is 25 - 6 = 19

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