2143525271 has 2 divisors, whose sum is σ = 2143525272. Its totient is φ = 2143525270.

The previous prime is 2143525259. The next prime is 2143525297. The reversal of 2143525271 is 1725253412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143525271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143525471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071762635 + 1071762636.

It is an arithmetic number, because the mean of its divisors is an integer number (1071762636).

Almost surely, 2^2143525271 is an apocalyptic number.

2143525271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143525271 is an equidigital number, since it uses as much as digits as its factorization.

2143525271 is an evil number, because the sum of its binary digits is even.

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

The square root of 2143525271 is about 46298.2210349383. The cubic root of 2143525271 is about 1289.3659666930.

Adding to 2143525271 its reverse (1725253412), we get a palindrome (3868778683).

The spelling of 2143525271 in words is "two billion, one hundred forty-three million, five hundred twenty-five thousand, two hundred seventy-one".