520130 has 16 divisors (see below), whose sum is σ = 1008504. Its totient is φ = 192000.
The previous prime is 520129. The next prime is 520151. The reversal of 520130 is 31025.
It can be written as a sum of positive squares in 4 ways, for example, as 175561 + 344569 = 419^2 + 587^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871 + ... + 2130.
2520130 is an apocalyptic number.
520130 is a deficient number, since it is larger than the sum of its proper divisors (488374).
520130 is a wasteful number, since it uses less digits than its factorization.
520130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4021.
The product of its (nonzero) digits is 30, while the sum is 11.
The square root of 520130 is about 721.2003882417. The cubic root of 520130 is about 80.4212158230.
Adding to 520130 its reverse (31025), we get a palindrome (551155).
It can be divided in two parts, 520 and 130, that multiplied together give a square (67600 = 2602).
The spelling of 520130 in words is "five hundred twenty thousand, one hundred thirty".
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