6397351 has 2 divisors, whose sum is σ = 6397352. Its totient is φ = 6397350.

The previous prime is 6397343. The next prime is 6397373. The reversal of 6397351 is 1537936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6397351 - 2³ = 6397343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6397301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198675 + 3198676.

It is an arithmetic number, because the mean of its divisors is an integer number (3198676).

Almost surely, 2^6397351 is an apocalyptic number.

6397351 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397351 is an equidigital number, since it uses as much as digits as its factorization.

6397351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 34.

The square root of 6397351 is about 2529.2985193527. The cubic root of 6397351 is about 185.6379340411.

It can be divided in two parts, 63973 and 51, that multiplied together give a palindrome (3262623).

The spelling of 6397351 in words is "six million, three hundred ninety-seven thousand, three hundred fifty-one".