5171791 has 4 divisors (see below), whose sum is σ = 5476032. Its totient is φ = 4867552.

The previous prime is 5171783. The next prime is 5171801. The reversal of 5171791 is 1971715.

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 5171791 - 2³ = 5171783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171191) 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, 152095 + ... + 152128.

It is an arithmetic number, because the mean of its divisors is an integer number (1369008).

Almost surely, 2^5171791 is an apocalyptic number.

5171791 is a deficient number, since it is larger than the sum of its proper divisors (304241).

5171791 is a wasteful number, since it uses less digits than its factorization.

5171791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304240.

The product of its digits is 2205, while the sum is 31.

The square root of 5171791 is about 2274.1572065273. The cubic root of 5171791 is about 172.9339741583.

The spelling of 5171791 in words is "five million, one hundred seventy-one thousand, seven hundred ninety-one".