6545679 has 16 divisors (see below), whose sum is σ = 10013952. Its totient is φ = 3725568.

The previous prime is 6545653. The next prime is 6545687. The reversal of 6545679 is 9765456.

It is not a de Polignac number, because 6545679 - 2⁸ = 6545423 is a prime.

It is a super-3 number, since 3×6545679³ (a number of 21 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6545679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6972 + ... + 7854.

It is an arithmetic number, because the mean of its divisors is an integer number (625872).

Almost surely, 2^6545679 is an apocalyptic number.

6545679 is a deficient number, since it is larger than the sum of its proper divisors (3468273).

6545679 is a wasteful number, since it uses less digits than its factorization.

6545679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its digits is 226800, while the sum is 42.

The square root of 6545679 is about 2558.4524619387. The cubic root of 6545679 is about 187.0617104995.

The spelling of 6545679 in words is "six million, five hundred forty-five thousand, six hundred seventy-nine".