2545814171 has 4 divisors (see below), whose sum is σ = 2559005112. Its totient is φ = 2532623232.

The previous prime is 2545814143. The next prime is 2545814207. The reversal of 2545814171 is 1714185452.

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 2545814171 - 2¹⁰ = 2545813147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545814111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6595181 + ... + 6595566.

It is an arithmetic number, because the mean of its divisors is an integer number (639751278).

Almost surely, 2^2545814171 is an apocalyptic number.

2545814171 is a deficient number, since it is larger than the sum of its proper divisors (13190941).

2545814171 is a wasteful number, since it uses less digits than its factorization.

2545814171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13190940.

The product of its digits is 44800, while the sum is 38.

The square root of 2545814171 is about 50456.0617864692. The cubic root of 2545814171 is about 1365.4492603587.

The spelling of 2545814171 in words is "two billion, five hundred forty-five million, eight hundred fourteen thousand, one hundred seventy-one".