6641375 has 32 divisors (see below), whose sum is σ = 9207744. Its totient is φ = 4752000.

The previous prime is 6641359. The next prime is 6641381. The reversal of 6641375 is 5731466.

It is not a de Polignac number, because 6641375 - 2⁴ = 6641359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99092 + ... + 99158.

It is an arithmetic number, because the mean of its divisors is an integer number (287742).

Almost surely, 2^6641375 is an apocalyptic number.

6641375 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6641375 is a deficient number, since it is larger than the sum of its proper divisors (2566369).

6641375 is a wasteful number, since it uses less digits than its factorization.

6641375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 146 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 6641375 is about 2577.0865332775. The cubic root of 6641375 is about 187.9689004691.

Subtracting from 6641375 its reverse (5731466), we obtain a palindrome (909909).

The spelling of 6641375 in words is "six million, six hundred forty-one thousand, three hundred seventy-five".