2140552171 has 2 divisors, whose sum is σ = 2140552172. Its totient is φ = 2140552170.

The previous prime is 2140552133. The next prime is 2140552241. The reversal of 2140552171 is 1712550412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140552171 - 2²³ = 2132163563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140552121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070276085 + 1070276086.

It is an arithmetic number, because the mean of its divisors is an integer number (1070276086).

Almost surely, 2^2140552171 is an apocalyptic number.

2140552171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140552171 is an equidigital number, since it uses as much as digits as its factorization.

2140552171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2140552171 is about 46266.1017484724. The cubic root of 2140552171 is about 1288.7695678997.

The spelling of 2140552171 in words is "two billion, one hundred forty million, five hundred fifty-two thousand, one hundred seventy-one".