6677257 has 4 divisors (see below), whose sum is σ = 6691456. Its totient is φ = 6663060.

The previous prime is 6677239. The next prime is 6677261. The reversal of 6677257 is 7527766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6677257 - 2⁷ = 6677129 is a prime.

It is a super-2 number, since 2×6677257² = 89171522088098, which contains 22 as substring.

It is a Duffinian number.

6677257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6677357) 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, 6369 + ... + 7342.

It is an arithmetic number, because the mean of its divisors is an integer number (1672864).

Almost surely, 2^6677257 is an apocalyptic number.

It is an amenable number.

6677257 is a deficient number, since it is larger than the sum of its proper divisors (14199).

6677257 is a wasteful number, since it uses less digits than its factorization.

6677257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14198.

The product of its digits is 123480, while the sum is 40.

The square root of 6677257 is about 2584.0388928962. The cubic root of 6677257 is about 188.3068119040.

The spelling of 6677257 in words is "six million, six hundred seventy-seven thousand, two hundred fifty-seven".