6530397 has 8 divisors (see below), whose sum is σ = 9219456. Its totient is φ = 4097472.

The previous prime is 6530387. The next prime is 6530399. The reversal of 6530397 is 7930356.

6530397 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6530397 - 2⁶ = 6530333 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

6530397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530399) 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 in 7 ways as a sum of consecutive naturals, for example, 63973 + ... + 64074.

It is an arithmetic number, because the mean of its divisors is an integer number (1152432).

Almost surely, 2^6530397 is an apocalyptic number.

It is an amenable number.

6530397 is a deficient number, since it is larger than the sum of its proper divisors (2689059).

6530397 is a wasteful number, since it uses less digits than its factorization.

6530397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128067.

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 6530397 is about 2555.4641457082. The cubic root of 6530397 is about 186.9160212777.

The spelling of 6530397 in words is "six million, five hundred thirty thousand, three hundred ninety-seven".