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4925 = 52197
BaseRepresentation
bin1001100111101
320202102
41030331
5124200
634445
720234
oct11475
96672
104925
113778
122a25
13231b
141b1b
1516d5
hex133d

4925 has 6 divisors (see below), whose sum is σ = 6138. Its totient is φ = 3920.

The previous prime is 4919. The next prime is 4931. The reversal of 4925 is 5294.

4925 = T6 + T7 + ... + T30.

It is an interprime number because it is at equal distance from previous prime (4919) and next prime (4931).

It can be written as a sum of positive squares in 3 ways, for example, as 1444 + 3481 = 38^2 + 59^2 .

It is not a de Polignac number, because 4925 - 24 = 4909 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

4925 is an undulating number in base 14.

It is a Curzon number.

It is a plaindrome in base 6, base 11 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 4897 and 4906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74 + ... + 123.

It is an arithmetic number, because the mean of its divisors is an integer number (1023).

24925 is an apocalyptic number.

It is an amenable number.

4925 is a deficient number, since it is larger than the sum of its proper divisors (1213).

4925 is a wasteful number, since it uses less digits than its factorization.

4925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 202 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 4925 is about 70.1783442381. The cubic root of 4925 is about 17.0138295770.

It can be divided in two parts, 49 and 25, that multiplied together give a triangular number (1225 = T49).

The spelling of 4925 in words is "four thousand, nine hundred twenty-five".

Divisors: 1 5 25 197 985 4925