Search a number
-
+
25965275 = 527236451
BaseRepresentation
bin110001100001…
…1001011011011
31210212011122212
41203003023123
523121342100
62324305335
7433462340
oct143031333
953764585
1025965275
1113725106
12884224b
1354c168b
14363c7c7
15242d635
hex18c32db

25965275 has 24 divisors (see below), whose sum is σ = 38402304. Its totient is φ = 17028000.

The previous prime is 25965271. The next prime is 25965299. The reversal of 25965275 is 57256952.

It is not a de Polignac number, because 25965275 - 22 = 25965271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25965271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 800 + ... + 7250.

It is an arithmetic number, because the mean of its divisors is an integer number (1600096).

Almost surely, 225965275 is an apocalyptic number.

25965275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25965275 is a deficient number, since it is larger than the sum of its proper divisors (12437029).

25965275 is a wasteful number, since it uses less digits than its factorization.

25965275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491 (or 6486 counting only the distinct ones).

The product of its digits is 189000, while the sum is 41.

The square root of 25965275 is about 5095.6133095046. The cubic root of 25965275 is about 296.1176600355.

The spelling of 25965275 in words is "twenty-five million, nine hundred sixty-five thousand, two hundred seventy-five".

Divisors: 1 5 7 23 25 35 115 161 175 575 805 4025 6451 32255 45157 148373 161275 225785 741865 1038611 1128925 3709325 5193055 25965275