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25375 = 53729
BaseRepresentation
bin110001100011111
31021210211
412030133
51303000
6313251
7133660
oct61437
937724
1025375
1118079
1212827
13b71c
149367
1577ba
hex631f

25375 has 16 divisors (see below), whose sum is σ = 37440. Its totient is φ = 16800.

The previous prime is 25373. The next prime is 25391. The reversal of 25375 is 57352.

It is not a de Polignac number, because 25375 - 21 = 25373 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (2340).

25375 is a Friedman number, since it can be written as 725*35, using all its digits and the basic arithmetic operations.

225375 is an apocalyptic number.

25375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25375 is a deficient number, since it is larger than the sum of its proper divisors (12065).

25375 is an equidigital number, since it uses as much as digits as its factorization.

25375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51 (or 41 counting only the distinct ones).

The product of its digits is 1050, while the sum is 22.

The square root of 25375 is about 159.2953232207. The cubic root of 25375 is about 29.3856532961.

It can be divided in two parts, 25 and 375, that added together give a square (400 = 202).

The spelling of 25375 in words is "twenty-five thousand, three hundred seventy-five".

Divisors: 1 5 7 25 29 35 125 145 175 203 725 875 1015 3625 5075 25375