6599797 has 2 divisors, whose sum is σ = 6599798. Its totient is φ = 6599796.

The previous prime is 6599779. The next prime is 6599819. The reversal of 6599797 is 7979956.

Together with previous prime (6599779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6599761 + 36 = 2569^2 + 6^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6599797 is a prime.

6599797 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6599717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3299898 + 3299899.

It is an arithmetic number, because the mean of its divisors is an integer number (3299899).

Almost surely, 2^6599797 is an apocalyptic number.

It is an amenable number.

6599797 is a deficient number, since it is larger than the sum of its proper divisors (1).

6599797 is an equidigital number, since it uses as much as digits as its factorization.

6599797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1071630, while the sum is 52.

The square root of 6599797 is about 2569.0070066078. The cubic root of 6599797 is about 187.5758223714.

It can be divided in two parts, 6599 and 797, that added together give a square (7396 = 86²).

The spelling of 6599797 in words is "six million, five hundred ninety-nine thousand, seven hundred ninety-seven".