531752 has 16 divisors (see below), whose sum is σ = 1073940. Its totient is φ = 245376.
The previous prime is 531731. The next prime is 531793. The reversal of 531752 is 257135.
It can be written as a sum of positive squares in 2 ways, for example, as 391876 + 139876 = 626^2 + 374^2 .
It is an unprimeable number.
531752 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
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 3 ways as a sum of consecutive naturals, for example, 2453 + ... + 2660.
2531752 is an apocalyptic number.
531752 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
531752 is an abundant number, since it is smaller than the sum of its proper divisors (542188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531752 is a wasteful number, since it uses less digits than its factorization.
531752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5132 (or 5128 counting only the distinct ones).
The product of its digits is 1050, while the sum is 23.
The square root of 531752 is about 729.2132747009. The cubic root of 531752 is about 81.0157973558.
Adding to 531752 its reverse (257135), we get a palindrome (788887).
The spelling of 531752 in words is "five hundred thirty-one thousand, seven hundred fifty-two".
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