8210125543 has 2 divisors, whose sum is σ = 8210125544. Its totient is φ = 8210125542.

The previous prime is 8210125531. The next prime is 8210125601. The reversal of 8210125543 is 3455210128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8210125543 - 2¹³ = 8210117351 is a prime.

It is a super-2 number, since 2×8210125543² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8210125513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105062771 + 4105062772.

It is an arithmetic number, because the mean of its divisors is an integer number (4105062772).

Almost surely, 2^8210125543 is an apocalyptic number.

8210125543 is a deficient number, since it is larger than the sum of its proper divisors (1).

8210125543 is an equidigital number, since it uses as much as digits as its factorization.

8210125543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 8210125543 is about 90609.7430909061. The cubic root of 8210125543 is about 2017.3593524258.

The spelling of 8210125543 in words is "eight billion, two hundred ten million, one hundred twenty-five thousand, five hundred forty-three".