2125471543 has 4 divisors (see below), whose sum is σ = 2288969368. Its totient is φ = 1961973720.

The previous prime is 2125471501. The next prime is 2125471547. The reversal of 2125471543 is 3451745212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2125471543 - 2²⁹ = 1588600631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125471499 and 2125471508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125471547) 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 in 3 ways as a sum of consecutive naturals, for example, 81748893 + ... + 81748918.

It is an arithmetic number, because the mean of its divisors is an integer number (572242342).

Almost surely, 2^2125471543 is an apocalyptic number.

2125471543 is a deficient number, since it is larger than the sum of its proper divisors (163497825).

2125471543 is a wasteful number, since it uses less digits than its factorization.

2125471543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163497824.

The product of its digits is 33600, while the sum is 34.

The square root of 2125471543 is about 46102.8366047036. The cubic root of 2125471543 is about 1285.7358839693.

The spelling of 2125471543 in words is "two billion, one hundred twenty-five million, four hundred seventy-one thousand, five hundred forty-three".