875543 has 2 divisors, whose sum is σ = 875544. Its totient is φ = 875542.

The previous prime is 875521. The next prime is 875579. The reversal of 875543 is 345578.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-875543 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (875503) 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 as a sum of consecutive naturals, namely, 437771 + 437772.

It is an arithmetic number, because the mean of its divisors is an integer number (437772).

2⁸⁷⁵⁵⁴³ is an apocalyptic number.

875543 is a deficient number, since it is larger than the sum of its proper divisors (1).

875543 is an equidigital number, since it uses as much as digits as its factorization.

875543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 32.

The square root of 875543 is about 935.7045473866. The cubic root of 875543 is about 95.6663402213. Note that the first 3 decimals are identical.

The spelling of 875543 in words is "eight hundred seventy-five thousand, five hundred forty-three".