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4825 = 52193
BaseRepresentation
bin1001011011001
320121201
41023121
5123300
634201
720032
oct11331
96551
104825
113697
122961
132272
141a89
15166a
hex12d9

4825 has 6 divisors (see below), whose sum is σ = 6014. Its totient is φ = 3840.

The previous prime is 4817. The next prime is 4831. The reversal of 4825 is 5284.

4825 = 36 + 46.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 64 + 4761 = 8^2 + 69^2 .

It is not a de Polignac number, because 4825 - 23 = 4817 is a prime.

It is a magnanimous number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72 + ... + 121.

24825 is an apocalyptic number.

It is an amenable number.

4825 is a deficient number, since it is larger than the sum of its proper divisors (1189).

4825 is a wasteful number, since it uses less digits than its factorization.

4825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 198 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 4825 is about 69.4622199472. The cubic root of 4825 is about 16.8978884656.

The spelling of 4825 in words is "four thousand, eight hundred twenty-five".

Divisors: 1 5 25 193 965 4825