Search a number
25065 = 325557
BaseRepresentation
bin110000111101001
31021101100
412013221
51300230
6312013
7133035
oct60751
937340
1025065
1117917
1212609
13b541
1491c5
157660
hex61e9

25065 has 12 divisors (see below), whose sum is σ = 43524. Its totient is φ = 13344.

The previous prime is 25057. The next prime is 25073. The reversal of 25065 is 56052.

It is an interprime number because it is at equal distance from previous prime (25057) and next prime (25073).

It can be written as a sum of positive squares in 2 ways, for example, as 5184 + 19881 = 72^2 + 141^2 .

It is not a de Polignac number, because 25065 - 23 = 25057 is a prime.

It is a Curzon number.

It is a nialpdrome in base 13 and base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234 + ... + 323.

It is an arithmetic number, because the mean of its divisors is an integer number (3627).

225065 is an apocalyptic number.

It is an amenable number.

25065 is a deficient number, since it is larger than the sum of its proper divisors (18459).

25065 is a wasteful number, since it uses less digits than its factorization.

25065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 25065 is about 158.3192976235. The cubic root of 25065 is about 29.2654969382.

The spelling of 25065 in words is "twenty-five thousand, sixty-five".

Divisors: 1 3 5 9 15 45 557 1671 2785 5013 8355 25065