1325313 has 18 divisors (see below), whose sum is σ = 2105922. Its totient is φ = 802560.
The previous prime is 1325309. The next prime is 1325333. The reversal of 1325313 is 3135231.
Added to its reverse (3135231) it gives a square (4460544 = 21122).
1325313 is a `hidden beast` number, since 132 + 531 + 3 = 666.
It can be written as a sum of positive squares in only one way, i.e., 1046529 + 278784 = 1023^2 + 528^2 .
It is not a de Polignac number, because 1325313 - 22 = 1325309 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1325333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 481 + ... + 1697.
21325313 is an apocalyptic number.
It is an amenable number.
1325313 is a deficient number, since it is larger than the sum of its proper divisors (780609).
1325313 is a wasteful number, since it uses less digits than its factorization.
1325313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1245 (or 1231 counting only the distinct ones).
The product of its digits is 270, while the sum is 18.
The square root of 1325313 is about 1151.2223938058. Note that the first 3 decimals coincide. The cubic root of 1325313 is about 109.8431096709.
Adding to 1325313 its reverse (3135231), we get a square (4460544 = 21122).
It can be divided in two parts, 132 and 5313, that added together give a palindrome (5445).
The spelling of 1325313 in words is "one million, three hundred twenty-five thousand, three hundred thirteen".
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