5197718 has 4 divisors (see below), whose sum is σ = 7796580. Its totient is φ = 2598858.

The previous prime is 5197691. The next prime is 5197721. The reversal of 5197718 is 8177915.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8177915 = 5 ⋅1635583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299428 + ... + 1299431.

It is an arithmetic number, because the mean of its divisors is an integer number (1949145).

Almost surely, 2^5197718 is an apocalyptic number.

5197718 is a deficient number, since it is larger than the sum of its proper divisors (2598862).

5197718 is a wasteful number, since it uses less digits than its factorization.

5197718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598861.

The product of its digits is 17640, while the sum is 38.

The square root of 5197718 is about 2279.8504336908. The cubic root of 5197718 is about 173.2224743134. Note that the first 3 decimals are identical.

The spelling of 5197718 in words is "five million, one hundred ninety-seven thousand, seven hundred eighteen".