6865151 has 4 divisors (see below), whose sum is σ = 6870600. Its totient is φ = 6859704.

The previous prime is 6865129. The next prime is 6865169. The reversal of 6865151 is 1515686.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6865151 - 2⁶ = 6865087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6865121) 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 3 ways as a sum of consecutive naturals, for example, 245 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (1717650).

Almost surely, 2^6865151 is an apocalyptic number.

6865151 is a deficient number, since it is larger than the sum of its proper divisors (5449).

6865151 is a wasteful number, since it uses less digits than its factorization.

6865151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448.

The product of its digits is 7200, while the sum is 32.

The square root of 6865151 is about 2620.1433166909. The cubic root of 6865151 is about 190.0567789679.

The spelling of 6865151 in words is "six million, eight hundred sixty-five thousand, one hundred fifty-one".