6864151 has 4 divisors (see below), whose sum is σ = 7844752. Its totient is φ = 5883552.

The previous prime is 6864139. The next prime is 6864167. The reversal of 6864151 is 1514686.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1514686 = 2 ⋅757343.

It is a cyclic number.

It is not a de Polignac number, because 6864151 - 2¹¹ = 6862103 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 (6864101) 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, 490290 + ... + 490303.

It is an arithmetic number, because the mean of its divisors is an integer number (1961188).

Almost surely, 2^6864151 is an apocalyptic number.

6864151 is a deficient number, since it is larger than the sum of its proper divisors (980601).

6864151 is an equidigital number, since it uses as much as digits as its factorization.

6864151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980600.

The product of its digits is 5760, while the sum is 31.

The square root of 6864151 is about 2619.9524804851. The cubic root of 6864151 is about 190.0475504257.

The spelling of 6864151 in words is "six million, eight hundred sixty-four thousand, one hundred fifty-one".