5197823 has 2 divisors, whose sum is σ = 5197824. Its totient is φ = 5197822.

The previous prime is 5197789. The next prime is 5197831. The reversal of 5197823 is 3287915.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5197823 - 2¹⁶ = 5132287 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5197853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2598911 + 2598912.

It is an arithmetic number, because the mean of its divisors is an integer number (2598912).

Almost surely, 2^5197823 is an apocalyptic number.

5197823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5197823 is an equidigital number, since it uses as much as digits as its factorization.

5197823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 5197823 is about 2279.8734614009. The cubic root of 5197823 is about 173.2236407379.

The spelling of 5197823 in words is "five million, one hundred ninety-seven thousand, eight hundred twenty-three".