871234541 has 2 divisors, whose sum is σ = 871234542. Its totient is φ = 871234540.

The previous prime is 871234519. The next prime is 871234579. The reversal of 871234541 is 145432178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702780100 + 168454441 = 26510^2 + 12979^2 .

It is a cyclic number.

It is not a de Polignac number, because 871234541 - 2⁶ = 871234477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871234591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435617270 + 435617271.

It is an arithmetic number, because the mean of its divisors is an integer number (435617271).

Almost surely, 2^871234541 is an apocalyptic number.

It is an amenable number.

871234541 is a deficient number, since it is larger than the sum of its proper divisors (1).

871234541 is an equidigital number, since it uses as much as digits as its factorization.

871234541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The square root of 871234541 is about 29516.6824185917. The cubic root of 871234541 is about 955.0916063912.

The spelling of 871234541 in words is "eight hundred seventy-one million, two hundred thirty-four thousand, five hundred forty-one".