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25235 = 572103
BaseRepresentation
bin110001010010011
31021121122
412022103
51301420
6312455
7133400
oct61223
937548
1025235
1117a61
121272b
13b642
1492a7
157725
hex6293

25235 has 12 divisors (see below), whose sum is σ = 35568. Its totient is φ = 17136.

The previous prime is 25229. The next prime is 25237. The reversal of 25235 is 53252.

25235 = 44 + 54 + ... + 104.

It is not a de Polignac number, because 25235 - 24 = 25219 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 213 + 52 + 214 + 32 + 54 .

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (25237) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 194 + ... + 296.

It is an arithmetic number, because the mean of its divisors is an integer number (2964).

225235 is an apocalyptic number.

25235 is a deficient number, since it is larger than the sum of its proper divisors (10333).

25235 is a wasteful number, since it uses less digits than its factorization.

25235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 115 counting only the distinct ones).

The product of its digits is 300, while the sum is 17.

The square root of 25235 is about 158.8552800507. The cubic root of 25235 is about 29.3315110209.

Adding to 25235 its sum of digits (17), we get a palindrome (25252).

Adding to 25235 its reverse (53252), we get a palindrome (78487).

The spelling of 25235 in words is "twenty-five thousand, two hundred thirty-five".

Divisors: 1 5 7 35 49 103 245 515 721 3605 5047 25235