252679 has 4 divisors (see below), whose sum is σ = 288784. Its totient is φ = 216576.
The previous prime is 252667. The next prime is 252691. The reversal of 252679 is 976252.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (252667) and next prime (252691).
It is a cyclic number.
It is not a de Polignac number, because 252679 - 215 = 219911 is a prime.
It is a d-powerful number, because it can be written as 211 + 57 + 66 + 213 + 76 + 9 .
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 252679.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252079) 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, 18042 + ... + 18055.
It is an arithmetic number, because the mean of its divisors is an integer number (72196).
2252679 is an apocalyptic number.
252679 is a deficient number, since it is larger than the sum of its proper divisors (36105).
252679 is an equidigital number, since it uses as much as digits as its factorization.
252679 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36104.
The product of its digits is 7560, while the sum is 31.
The square root of 252679 is about 502.6718611580. The cubic root of 252679 is about 63.2202753673.
It can be divided in two parts, 25 and 2679, that added together give a square (2704 = 522).
The spelling of 252679 in words is "two hundred fifty-two thousand, six hundred seventy-nine".
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