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BaseRepresentation
bin110101100001
311200212
4311201
5102200
623505
712662
oct6541
94625
103425
112634
121b95
131736
141369
151035
hexd61

3425 has 6 divisors (see below), whose sum is σ = 4278. Its totient is φ = 2720.

The previous prime is 3413. The next prime is 3433. The reversal of 3425 is 5243.

3425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 289 + 3136 = 17^2 + 56^2 .

It is not a de Polignac number, because 3425 - 26 = 3361 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 8 and base 16.

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, 44 + ... + 93.

It is an arithmetic number, because the mean of its divisors is an integer number (713).

It is an amenable number.

3425 is a deficient number, since it is larger than the sum of its proper divisors (853).

3425 is a wasteful number, since it uses less digits than its factorization.

3425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 142 counting only the distinct ones).

The product of its digits is 120, while the sum is 14.

The square root of 3425 is about 58.5234995536. The cubic root of 3425 is about 15.0737112574.

Adding to 3425 its reverse (5243), we get a palindrome (8668).

It can be divided in two parts, 3 and 425, that multiplied together give a triangular number (1275 = T50).

The spelling of 3425 in words is "three thousand, four hundred twenty-five".

Divisors: 1 5 25 137 685 3425