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875 = 537
BaseRepresentation
bin1101101011
31012102
431223
512000
64015
72360
oct1553
91172
10875
11726
1260b
13524
14467
153d5
hex36b

875 has 8 divisors (see below), whose sum is σ = 1248. Its totient is φ = 600.

The previous prime is 863. The next prime is 877. The reversal of 875 is 578.

875 = T14 + T15 + ... + T19.

875 = 82 + 92 + ... + 142.

It is a trimorphic number since its cube, 669921875, ends in 875.

It is not a de Polignac number, because 875 - 24 = 859 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14 and base 16.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (877) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 122 + ... + 128.

It is an arithmetic number, because the mean of its divisors is an integer number (156).

2875 is an apocalyptic number.

875 is a deficient number, since it is larger than the sum of its proper divisors (373).

875 is an equidigital number, since it uses as much as digits as its factorization.

875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22 (or 12 counting only the distinct ones).

The product of its digits is 280, while the sum is 20.

The square root of 875 is about 29.5803989155. The cubic root of 875 is about 9.5646559139.

Subtracting from 875 its product of digits (280), we obtain a palindrome (595).

It can be divided in two parts, 87 and 5, that multiplied together give a triangular number (435 = T29).

The spelling of 875 in words is "eight hundred seventy-five", and thus it is an aban number and an oban number.

Divisors: 1 5 7 25 35 125 175 875