6397575 has 24 divisors (see below), whose sum is σ = 10655568. Its totient is φ = 3386880.

The previous prime is 6397571. The next prime is 6397579. The reversal of 6397575 is 5757936.

6397575 = 73² + 74² + ... + 269².

It is an interprime number because it is at equal distance from previous prime (6397571) and next prime (6397579).

It is not a de Polignac number, because 6397575 - 2² = 6397571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14559 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (443982).

Almost surely, 2^6397575 is an apocalyptic number.

6397575 is a deficient number, since it is larger than the sum of its proper divisors (4257993).

6397575 is a wasteful number, since it uses less digits than its factorization.

6397575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 638 counting only the distinct ones).

The product of its digits is 198450, while the sum is 42.

The square root of 6397575 is about 2529.3428000174. The cubic root of 6397575 is about 185.6401006886.

The spelling of 6397575 in words is "six million, three hundred ninety-seven thousand, five hundred seventy-five".