252539 has 8 divisors (see below), whose sum is σ = 295680. Its totient is φ = 211176.
The previous prime is 252533. The next prime is 252541. The reversal of 252539 is 935252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 252539 - 28 = 252283 is a prime.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252539.
It is not an unprimeable number, because it can be changed into a prime (252533) by changing a digit.
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, 119 + ... + 720.
It is an arithmetic number, because the mean of its divisors is an integer number (36960).
2252539 is an apocalyptic number.
252539 is a deficient number, since it is larger than the sum of its proper divisors (43141).
252539 is an equidigital number, since it uses as much as digits as its factorization.
252539 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 889.
The product of its digits is 2700, while the sum is 26.
The square root of 252539 is about 502.5325860081. The cubic root of 252539 is about 63.2085972121.
The spelling of 252539 in words is "two hundred fifty-two thousand, five hundred thirty-nine".
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