Search a number
-
+
265625 = 5617
BaseRepresentation
bin1000000110110011001
3111111100222
41000312121
532000000
65405425
72154263
oct1006631
9444328
10265625
11171628
12109875
1393b99
146cb33
1553a85
hex40d99

265625 has 14 divisors (see below), whose sum is σ = 351558. Its totient is φ = 200000.

The previous prime is 265621. The next prime is 265703. The reversal of 265625 is 526562.

It is a happy number.

It can be written as a sum of positive squares in 7 ways, for example, as 262144 + 3481 = 512^2 + 59^2 .

It is not a de Polignac number, because 265625 - 22 = 265621 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 265594 and 265603.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 265625.

It is not an unprimeable number, because it can be changed into a prime (265621) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15617 + ... + 15633.

265625 is a Friedman number, since it can be written as 5^6*(2+(6*5)/2), using all its digits and the basic arithmetic operations.

2265625 is an apocalyptic number.

265625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265625 is a deficient number, since it is larger than the sum of its proper divisors (85933).

265625 is an frugal number, since it uses more digits than its factorization.

265625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 22 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 265625 is about 515.3882032022. The cubic root of 265625 is about 64.2820397665.

The spelling of 265625 in words is "two hundred sixty-five thousand, six hundred twenty-five".

Divisors: 1 5 17 25 85 125 425 625 2125 3125 10625 15625 53125 265625