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25055 = 55011
BaseRepresentation
bin110000111011111
31021100222
412013133
51300210
6311555
7133022
oct60737
937328
1025055
1117908
12125bb
13b534
1491b9
157655
hex61df

25055 has 4 divisors (see below), whose sum is σ = 30072. Its totient is φ = 20040.

The previous prime is 25037. The next prime is 25057. The reversal of 25055 is 55052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25055 - 28 = 24799 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25055.

It is not an unprimeable number, because it can be changed into a prime (25057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501 + ... + 2510.

It is an arithmetic number, because the mean of its divisors is an integer number (7518).

225055 is an apocalyptic number.

25055 is a deficient number, since it is larger than the sum of its proper divisors (5017).

25055 is an equidigital number, since it uses as much as digits as its factorization.

25055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016.

The product of its (nonzero) digits is 250, while the sum is 17.

The square root of 25055 is about 158.2877127259. The cubic root of 25055 is about 29.2616044733.

The spelling of 25055 in words is "twenty-five thousand, fifty-five".

Divisors: 1 5 5011 25055