5196991 has 4 divisors (see below), whose sum is σ = 5206032. Its totient is φ = 5187952.

The previous prime is 5196979. The next prime is 5197063. The reversal of 5196991 is 1996915.

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 5196991 - 2⁹ = 5196479 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 (5194991) 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, 3595 + ... + 4828.

It is an arithmetic number, because the mean of its divisors is an integer number (1301508).

Almost surely, 2^5196991 is an apocalyptic number.

5196991 is a deficient number, since it is larger than the sum of its proper divisors (9041).

5196991 is an equidigital number, since it uses as much as digits as its factorization.

5196991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040.

The product of its digits is 21870, while the sum is 40.

The square root of 5196991 is about 2279.6909878315. The cubic root of 5196991 is about 173.2143977812.

The spelling of 5196991 in words is "five million, one hundred ninety-six thousand, nine hundred ninety-one".