5197918 has 24 divisors (see below), whose sum is σ = 8771616. Its totient is φ = 2307360.

The previous prime is 5197909. The next prime is 5197943. The reversal of 5197918 is 8197915.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11146 + ... + 11602.

It is an arithmetic number, because the mean of its divisors is an integer number (365484).

Almost surely, 2^5197918 is an apocalyptic number.

5197918 is a deficient number, since it is larger than the sum of its proper divisors (3573698).

5197918 is a wasteful number, since it uses less digits than its factorization.

5197918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 517 counting only the distinct ones).

The product of its digits is 22680, while the sum is 40.

The square root of 5197918 is about 2279.8942957953. The cubic root of 5197918 is about 173.2246960609.

It can be divided in two parts, 51 and 97918, that added together give a square (97969 = 313²).

The spelling of 5197918 in words is "five million, one hundred ninety-seven thousand, nine hundred eighteen".