130597 has 4 divisors (see below), whose sum is σ = 132460. Its totient is φ = 128736.
The previous prime is 130589. The next prime is 130619. The reversal of 130597 is 795031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 795031 = 41 ⋅19391.
It can be written as a sum of positive squares in 2 ways, for example, as 103041 + 27556 = 321^2 + 166^2 .
It is a cyclic number.
It is not a de Polignac number, because 130597 - 23 = 130589 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130517) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822 + ... + 967.
It is an arithmetic number, because the mean of its divisors is an integer number (33115).
2130597 is an apocalyptic number.
It is an amenable number.
130597 is a deficient number, since it is larger than the sum of its proper divisors (1863).
130597 is an equidigital number, since it uses as much as digits as its factorization.
130597 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1862.
The product of its (nonzero) digits is 945, while the sum is 25.
The square root of 130597 is about 361.3820692840. The cubic root of 130597 is about 50.7353974505.
It can be divided in two parts, 130 and 597, that added together give a palindrome (727).
The spelling of 130597 in words is "one hundred thirty thousand, five hundred ninety-seven".
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