6875551 has 4 divisors (see below), whose sum is σ = 7174512. Its totient is φ = 6576592.

The previous prime is 6875543. The next prime is 6875567. The reversal of 6875551 is 1555786.

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 6875551 - 2³ = 6875543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6875551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6875591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149446 + ... + 149491.

It is an arithmetic number, because the mean of its divisors is an integer number (1793628).

Almost surely, 2^6875551 is an apocalyptic number.

6875551 is a deficient number, since it is larger than the sum of its proper divisors (298961).

6875551 is a wasteful number, since it uses less digits than its factorization.

6875551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298960.

The product of its digits is 42000, while the sum is 37.

The square root of 6875551 is about 2622.1271898975. The cubic root of 6875551 is about 190.1527027249.

The spelling of 6875551 in words is "six million, eight hundred seventy-five thousand, five hundred fifty-one".