Search a number
-
+
2065625 = 55661
BaseRepresentation
bin111111000010011011001
310212221111122
413320103121
51012100000
6112135025
723362142
oct7702331
93787448
102065625
111190a31
12837475
13574283
143baac9
152ac085
hex1f84d9

2065625 has 12 divisors (see below), whose sum is σ = 2585772. Its totient is φ = 1650000.

The previous prime is 2065597. The next prime is 2065627. The reversal of 2065625 is 5265602.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1430416 + 635209 = 1196^2 + 797^2 .

It is not a de Polignac number, because 2065625 - 28 = 2065369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2065594 and 2065603.

It is not an unprimeable number, because it can be changed into a prime (2065627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2795 + ... + 3455.

It is an arithmetic number, because the mean of its divisors is an integer number (215481).

22065625 is an apocalyptic number.

2065625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2065625 is a deficient number, since it is larger than the sum of its proper divisors (520147).

2065625 is an frugal number, since it uses more digits than its factorization.

2065625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 666 counting only the distinct ones).

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

The square root of 2065625 is about 1437.2282351805. The cubic root of 2065625 is about 127.3553402263.

The spelling of 2065625 in words is "two million, sixty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 661 3125 3305 16525 82625 413125 2065625