6875249 has 8 divisors (see below), whose sum is σ = 7161000. Its totient is φ = 6595200.

The previous prime is 6875237. The next prime is 6875269. The reversal of 6875249 is 9425786.

It can be written as a sum of positive squares in 4 ways, for example, as 1081600 + 5793649 = 1040^2 + 2407^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6875249 - 2⁸ = 6874993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6875269) 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 7 ways as a sum of consecutive naturals, for example, 1127 + ... + 3875.

It is an arithmetic number, because the mean of its divisors is an integer number (895125).

Almost surely, 2^6875249 is an apocalyptic number.

It is an amenable number.

6875249 is a deficient number, since it is larger than the sum of its proper divisors (285751).

6875249 is a wasteful number, since it uses less digits than its factorization.

6875249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851.

The product of its digits is 120960, while the sum is 41.

The square root of 6875249 is about 2622.0696024324. The cubic root of 6875249 is about 190.1499186108.

It can be divided in two parts, 687 and 5249, that multiplied together give a palindrome (3606063).

The spelling of 6875249 in words is "six million, eight hundred seventy-five thousand, two hundred forty-nine".