5181171 has 4 divisors (see below), whose sum is σ = 6908232. Its totient is φ = 3454112.

The previous prime is 5181151. The next prime is 5181173. The reversal of 5181171 is 1711815.

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 5181171 - 2¹¹ = 5179123 is a prime.

It is a D-number.

5181171 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5181173) 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, 863526 + ... + 863531.

It is an arithmetic number, because the mean of its divisors is an integer number (1727058).

Almost surely, 2^5181171 is an apocalyptic number.

5181171 is a deficient number, since it is larger than the sum of its proper divisors (1727061).

5181171 is a wasteful number, since it uses less digits than its factorization.

5181171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727060.

The product of its digits is 280, while the sum is 24.

The square root of 5181171 is about 2276.2185747419. The cubic root of 5181171 is about 173.0384602698.

Adding to 5181171 its reverse (1711815), we get a palindrome (6892986).

The spelling of 5181171 in words is "five million, one hundred eighty-one thousand, one hundred seventy-one".