5197191 has 4 divisors (see below), whose sum is σ = 6929592. Its totient is φ = 3464792.

The previous prime is 5197187. The next prime is 5197193. The reversal of 5197191 is 1917915.

It is a happy number.

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 5197191 - 2² = 5197187 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866196 + ... + 866201.

It is an arithmetic number, because the mean of its divisors is an integer number (1732398).

Almost surely, 2^5197191 is an apocalyptic number.

5197191 is a deficient number, since it is larger than the sum of its proper divisors (1732401).

5197191 is a wasteful number, since it uses less digits than its factorization.

5197191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732400.

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

The square root of 5197191 is about 2279.7348530037. The cubic root of 5197191 is about 173.2166197358.

The spelling of 5197191 in words is "five million, one hundred ninety-seven thousand, one hundred ninety-one".