875851 has 2 divisors, whose sum is σ = 875852. Its totient is φ = 875850.

The previous prime is 875837. The next prime is 875893. The reversal of 875851 is 158578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 875851 - 2⁹ = 875339 is a prime.

It is a super-2 number, since 2×875851² = 1534229948402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (875821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437925 + 437926.

It is an arithmetic number, because the mean of its divisors is an integer number (437926).

2⁸⁷⁵⁸⁵¹ is an apocalyptic number.

875851 is a deficient number, since it is larger than the sum of its proper divisors (1).

875851 is an equidigital number, since it uses as much as digits as its factorization.

875851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11200, while the sum is 34.

The square root of 875851 is about 935.8691147805. The cubic root of 875851 is about 95.6775567952.

The spelling of 875851 in words is "eight hundred seventy-five thousand, eight hundred fifty-one".