6894151 has 4 divisors (see below), whose sum is σ = 7520904. Its totient is φ = 6267400.

The previous prime is 6894149. The next prime is 6894157. The reversal of 6894151 is 1514986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6894151 - 2¹ = 6894149 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313360 + ... + 313381.

It is an arithmetic number, because the mean of its divisors is an integer number (1880226).

Almost surely, 2^6894151 is an apocalyptic number.

6894151 is a deficient number, since it is larger than the sum of its proper divisors (626753).

6894151 is a wasteful number, since it uses less digits than its factorization.

6894151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626752.

The product of its digits is 8640, while the sum is 34.

The square root of 6894151 is about 2625.6715331511. The cubic root of 6894151 is about 190.3240177572.

The spelling of 6894151 in words is "six million, eight hundred ninety-four thousand, one hundred fifty-one".