Search a number
-
+
2513425 = 52100537
BaseRepresentation
bin1001100101101000010001
311201200202211
421211220101
51120412200
6125512121
730235525
oct11455021
94650684
102513425
111467412
12a12641
136a0045
14495d85
15349aba
hex265a11

2513425 has 6 divisors (see below), whose sum is σ = 3116678. Its totient is φ = 2010720.

The previous prime is 2513363. The next prime is 2513443. The reversal of 2513425 is 5243152.

It can be written as a sum of positive squares in 3 ways, for example, as 82944 + 2430481 = 288^2 + 1559^2 .

It is a de Polignac number, because none of the positive numbers 2k-2513425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2513396 and 2513405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50244 + ... + 50293.

22513425 is an apocalyptic number.

2513425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2513425 is a deficient number, since it is larger than the sum of its proper divisors (603253).

2513425 is a wasteful number, since it uses less digits than its factorization.

2513425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100547 (or 100542 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 2513425 is about 1585.3785037019. The cubic root of 2513425 is about 135.9633876359.

Subtracting from 2513425 its product of digits (1200), we obtain a square (2512225 = 15852).

Adding to 2513425 its reverse (5243152), we get a palindrome (7756577).

The spelling of 2513425 in words is "two million, five hundred thirteen thousand, four hundred twenty-five".

Divisors: 1 5 25 100537 502685 2513425