5117791 has 4 divisors (see below), whose sum is σ = 5848912. Its totient is φ = 4386672.

The previous prime is 5117779. The next prime is 5117797. The reversal of 5117791 is 1977115.

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 5117791 - 2¹¹ = 5115743 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 (5117797) 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, 365550 + ... + 365563.

It is an arithmetic number, because the mean of its divisors is an integer number (1462228).

Almost surely, 2^5117791 is an apocalyptic number.

5117791 is a deficient number, since it is larger than the sum of its proper divisors (731121).

5117791 is an equidigital number, since it uses as much as digits as its factorization.

5117791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731120.

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

The square root of 5117791 is about 2262.2535224859. The cubic root of 5117791 is about 172.3299844170.

The spelling of 5117791 in words is "five million, one hundred seventeen thousand, seven hundred ninety-one".