875047 has 4 divisors (see below), whose sum is σ = 877176. Its totient is φ = 872920.
The previous prime is 875033. The next prime is 875089. The reversal of 875047 is 740578.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 875047 - 27 = 874919 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (875027) 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, 229 + ... + 1342.
It is an arithmetic number, because the mean of its divisors is an integer number (219294).
2875047 is an apocalyptic number.
875047 is a deficient number, since it is larger than the sum of its proper divisors (2129).
875047 is a wasteful number, since it uses less digits than its factorization.
875047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2128.
The product of its (nonzero) digits is 7840, while the sum is 31.
The square root of 875047 is about 935.4394689129. The cubic root of 875047 is about 95.6482716368.
The spelling of 875047 in words is "eight hundred seventy-five thousand, forty-seven".
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