6397579 has 2 divisors, whose sum is σ = 6397580. Its totient is φ = 6397578.

The previous prime is 6397571. The next prime is 6397591. The reversal of 6397579 is 9757936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6397579 - 2³ = 6397571 is a prime.

It is a super-2 number, since 2×6397579² = 81858034122482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6397571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198789 + 3198790.

It is an arithmetic number, because the mean of its divisors is an integer number (3198790).

Almost surely, 2^6397579 is an apocalyptic number.

6397579 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397579 is an equidigital number, since it uses as much as digits as its factorization.

6397579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 46.

The square root of 6397579 is about 2529.3435907365. The cubic root of 6397579 is about 185.6401393782.

The spelling of 6397579 in words is "six million, three hundred ninety-seven thousand, five hundred seventy-nine".