6397255 has 8 divisors (see below), whose sum is σ = 7941600. Its totient is φ = 4941216.

The previous prime is 6397229. The next prime is 6397273. The reversal of 6397255 is 5527936.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6397255 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 3¹³ + 9⁷ + 7⁴ + 2⁴ + 5⁴ + 5⁶ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21915 + ... + 22204.

It is an arithmetic number, because the mean of its divisors is an integer number (992700).

Almost surely, 2^6397255 is an apocalyptic number.

6397255 is a deficient number, since it is larger than the sum of its proper divisors (1544345).

6397255 is a wasteful number, since it uses less digits than its factorization.

6397255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44153.

The product of its digits is 56700, while the sum is 37.

The square root of 6397255 is about 2529.2795416877. The cubic root of 6397255 is about 185.6370054625.

The spelling of 6397255 in words is "six million, three hundred ninety-seven thousand, two hundred fifty-five".