6722125 has 8 divisors (see below), whose sum is σ = 8389368. Its totient is φ = 5377600.

The previous prime is 6722117. The next prime is 6722129. The reversal of 6722125 is 5212276.

It can be written as a sum of positive squares in 4 ways, for example, as 1713481 + 5008644 = 1309^2 + 2238^2 .

It is not a de Polignac number, because 6722125 - 2³ = 6722117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6722125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722129) 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, 26764 + ... + 27013.

It is an arithmetic number, because the mean of its divisors is an integer number (1048671).

Almost surely, 2^6722125 is an apocalyptic number.

It is an amenable number.

6722125 is a deficient number, since it is larger than the sum of its proper divisors (1667243).

6722125 is an equidigital number, since it uses as much as digits as its factorization.

6722125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53792 (or 53782 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 6722125 is about 2592.7061152394. The cubic root of 6722125 is about 188.7276481872.

The spelling of 6722125 in words is "six million, seven hundred twenty-two thousand, one hundred twenty-five".