Search a number
-
+
2575625 = 5413317
BaseRepresentation
bin1001110100110100001001
311211212002112
421310310021
51124410000
6131112105
730615053
oct11646411
94755075
102575625
1114aa118
12a42635
136c2450
144b08d3
1535d235
hex274d09

2575625 has 20 divisors (see below), whose sum is σ = 3477012. Its totient is φ = 1896000.

The previous prime is 2575589. The next prime is 2575627. The reversal of 2575625 is 5265752.

It can be written as a sum of positive squares in 10 ways, for example, as 2572816 + 2809 = 1604^2 + 53^2 .

It is not a de Polignac number, because 2575625 - 28 = 2575369 is a prime.

It is a Duffinian number.

Its product of digits (21000) is a multiple of the sum of its prime factors (350).

It is a junction number, because it is equal to n+sod(n) for n = 2575591 and 2575600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7967 + ... + 8283.

22575625 is an apocalyptic number.

2575625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2575625 is a deficient number, since it is larger than the sum of its proper divisors (901387).

2575625 is an equidigital number, since it uses as much as digits as its factorization.

2575625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 335 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 2575625 is about 1604.8753845704. The cubic root of 2575625 is about 137.0758278078.

It can be divided in two parts, 25 and 75625, that multiplied together give a square (1890625 = 13752).

The spelling of 2575625 in words is "two million, five hundred seventy-five thousand, six hundred twenty-five".

Divisors: 1 5 13 25 65 125 317 325 625 1585 1625 4121 7925 8125 20605 39625 103025 198125 515125 2575625