2171613071 has 2 divisors, whose sum is σ = 2171613072. Its totient is φ = 2171613070.

The previous prime is 2171613013. The next prime is 2171613091. The reversal of 2171613071 is 1703161712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2171613071 - 2⁶ = 2171613007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171613001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085806535 + 1085806536.

It is an arithmetic number, because the mean of its divisors is an integer number (1085806536).

Almost surely, 2^2171613071 is an apocalyptic number.

2171613071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171613071 is an equidigital number, since it uses as much as digits as its factorization.

2171613071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 2171613071 is about 46600.5694278514. The cubic root of 2171613071 is about 1294.9733045584.

Adding to 2171613071 its reverse (1703161712), we get a palindrome (3874774783).

The spelling of 2171613071 in words is "two billion, one hundred seventy-one million, six hundred thirteen thousand, seventy-one".