6895145 has 4 divisors (see below), whose sum is σ = 8274180. Its totient is φ = 5516112.

The previous prime is 6895139. The next prime is 6895159. The reversal of 6895145 is 5415986.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3701776 + 3193369 = 1924^2 + 1787^2 .

It is a cyclic number.

It is not a de Polignac number, because 6895145 - 2¹⁶ = 6829609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6895099 and 6895108.

It is an unprimeable number.

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, 689510 + ... + 689519.

It is an arithmetic number, because the mean of its divisors is an integer number (2068545).

Almost surely, 2^6895145 is an apocalyptic number.

It is an amenable number.

6895145 is a deficient number, since it is larger than the sum of its proper divisors (1379035).

6895145 is a wasteful number, since it uses less digits than its factorization.

6895145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379034.

The product of its digits is 43200, while the sum is 38.

The square root of 6895145 is about 2625.8608112389. The cubic root of 6895145 is about 190.3331643020. Note that the first 3 decimals are identical.

The spelling of 6895145 in words is "six million, eight hundred ninety-five thousand, one hundred forty-five".