5197911 has 8 divisors (see below), whose sum is σ = 6941424. Its totient is φ = 3459840.

The previous prime is 5197909. The next prime is 5197943. The reversal of 5197911 is 1197915.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5197911 - 2¹ = 5197909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2215 + ... + 3911.

It is an arithmetic number, because the mean of its divisors is an integer number (867678).

Almost surely, 2^5197911 is an apocalyptic number.

5197911 is a deficient number, since it is larger than the sum of its proper divisors (1743513).

5197911 is a wasteful number, since it uses less digits than its factorization.

5197911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721.

The product of its digits is 2835, while the sum is 33.

The square root of 5197911 is about 2279.8927606359. The cubic root of 5197911 is about 173.2246183007.

The spelling of 5197911 in words is "five million, one hundred ninety-seven thousand, nine hundred eleven".