6659375 has 12 divisors (see below), whose sum is σ = 8327592. Its totient is φ = 5325000.

The previous prime is 6659369. The next prime is 6659377. The reversal of 6659375 is 5739566.

It is not a de Polignac number, because 6659375 - 2¹⁴ = 6642991 is a prime.

It is a super-3 number, since 3×6659375³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6659377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2060 + ... + 4190.

It is an arithmetic number, because the mean of its divisors is an integer number (693966).

Almost surely, 2^6659375 is an apocalyptic number.

6659375 is a deficient number, since it is larger than the sum of its proper divisors (1668217).

6659375 is an frugal number, since it uses more digits than its factorization.

6659375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156 (or 2136 counting only the distinct ones).

The product of its digits is 170100, while the sum is 41.

The square root of 6659375 is about 2580.5764859814. The cubic root of 6659375 is about 188.1385635339.

The spelling of 6659375 in words is "six million, six hundred fifty-nine thousand, three hundred seventy-five".