5191597 has 2 divisors, whose sum is σ = 5191598. Its totient is φ = 5191596.

The previous prime is 5191513. The next prime is 5191603. The reversal of 5191597 is 7951915.

It is a happy number.

5191597 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4748041 + 443556 = 2179^2 + 666^2 .

It is a cyclic number.

It is not a de Polignac number, because 5191597 - 2¹⁹ = 4667309 is a 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 (5191397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2595798 + 2595799.

It is an arithmetic number, because the mean of its divisors is an integer number (2595799).

Almost surely, 2^5191597 is an apocalyptic number.

It is an amenable number.

5191597 is a deficient number, since it is larger than the sum of its proper divisors (1).

5191597 is an equidigital number, since it uses as much as digits as its factorization.

5191597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14175, while the sum is 37.

The square root of 5191597 is about 2278.5076256181. The cubic root of 5191597 is about 173.1544501503.

It can be divided in two parts, 519 and 1597, that added together give a square (2116 = 46²).

The spelling of 5191597 in words is "five million, one hundred ninety-one thousand, five hundred ninety-seven".