6669125 has 8 divisors (see below), whose sum is σ = 8323224. Its totient is φ = 5335200.

The previous prime is 6669121. The next prime is 6669137. The reversal of 6669125 is 5219666.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2401 + 6666724 = 49^2 + 2582^2 .

It is not a de Polignac number, because 6669125 - 2² = 6669121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669121) 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 7 ways as a sum of consecutive naturals, for example, 26552 + ... + 26801.

It is an arithmetic number, because the mean of its divisors is an integer number (1040403).

Almost surely, 2^6669125 is an apocalyptic number.

It is an amenable number.

6669125 is a deficient number, since it is larger than the sum of its proper divisors (1654099).

6669125 is an equidigital number, since it uses as much as digits as its factorization.

6669125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53368 (or 53358 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 6669125 is about 2582.4649077964. The cubic root of 6669125 is about 188.2303367356.

The spelling of 6669125 in words is "six million, six hundred sixty-nine thousand, one hundred twenty-five".